JEE Main 2021

Jaskarn Singh

23 Aug, 2020

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JEE MAIN (Joint Entrance Examination (Main))

Joint Entrance Exam Main (JEE Main) is the national level computer-based test conducted twice a year(in the month of January 2021 as well as in April 2021) by the National Testing Agency for the purpose of admissions to the undergraduate engineering courses in top engineering institutes in India like IITs, NITs, CFTIs and other renowned institutions. In addition, it is also the screening cum qualifier test for JEE Advanced. Validity of the result is one year.

JEE MAIN 2021 HIGHLIGHTS


EventsJanuary Session DatesApril Session Dates
Release of NotificationNovember 2020January 2021
Starting of Registration processDecember 20201st week of February 2021
Image correction startsDecember 2020February 2021
End of registrationDecember 20201st week of March 2021
Last date of fee payment & uploading of imagesDecember 20202nd week of March 2021
Application Correction startsJanuary 2021March 2021
Release of Admit cardJanuary 20213rd week of March 2021
JEE Main Exam2nd week of January 20212nd week of April 2021
Display of Answer keyJanuary 2021April 2021
Declaration of ResultFebruary 2021Last week of April 2021
Counselling process startsJune/ July 2021

Eligibility Criteria for JEE Main 2021


HRD Minister has announced a relaxation in JEE Main eligibility criteria for NITs and CFITs admissions. Candidates who pass their class XII examination will be eligible to apply. The NTA JEE Main 2020 eligibility criteria which the candidates need to meet includes guidelines for age, requisite academic qualifications, subjects studied in 10+2, pass percentage etc. Candidates may check the detailed eligibility criteria below before applying for JEE Main 2020.


JEE Main 2020 Age CriteriaThere is no age limit for appearing for the exam
Qualifying ExaminationCandidates must have passed class 12 or equivalent exam in 2019 or 2020. Candidates appearing for class XII board examination in 2020 will be also eligible
Subjects to study in 10+2 or equivalentCandidates must have studied a minimum of 5 subjects which will be considered. They are Mathematics, Physics, Chemistry/ Biology/ Biotechnology/ Technical Vocational Subject, Language and any other subject
Qualifying ExaminationCandidates must have passed class 12 or equivalent exam in 2018 or 2019. Candidates appearing for class XII board examination in 2020 will be also eligible
Relaxation is 10+2 for JEE Main 2020Candidates who have obtained pass marks in class 12 or equivalent are eligible.
Number of attemptsAll aspirants can appear twice in a year. Students can appear for JEE Main for three years consecutively therefore the total attempts allowed for each student will be six in three years

Documents Required at JEE MAIN Exam


  • JEE Main admit card
  • A valid photo ID (passport, college/school ID card, driving license)
  • One passport size photograph
  • PwD category candidates will have to carry a copy of the PwD certificate in the prescribed format.

JEE Main Admit Card

JEE Main 2021 admit card will be released by January 2021(for January2021 Session) and 3rd week of March 2021(April Session) by NTA. Candidates who will apply can download their JEE Main April admit card in online mode.  Candidates will have carry the JEE Main admit card to the exam centre along with a valid photo ID.

How to download JEE Main  Admit Card?

  • Candidates have to click on the download link given on the NTA JEE Main website
  • They must enter their Application Number and Date of Birth in the JEE Main login window. 
  • The admit card of JEE Main will be displayed. Candidates must ascertain that the details are correct.
  • They must print the same and safe keep it as it will be needed during counselling and admissions.

Things to carry in exam hall

  • Admit Card along with Self Declaration (Undertaking) downloaded from the NTA website (a clear printout on A4 size
  • paper) duly filled in.
  • A simple transparent Ball Point Pen
  • A valid photo id proof
  • A passport size photograph (same as in application form)
  • PwD certificate if applicable
  • Personal hand sanitizer (50 ml)

Details mentioned in JEE Main 2020 admit card

  • Name of Candidate
  • Father's Name
  • Date of Birth
  • Gender
  • Category
  • State of Eligibility
  • JEE Main Roll Number
  • Paper for which appearing
  • JEE Main 2020 Application Number
  • JEE Main Exam Centre Name and Address
  • Exam Date and Time (Shift) of JEE Main 2020
  • Photograph and Signature of Candidate
  • Parent's signature

Unable to download the admit card?

Candidates who are unable to download their admit card must call the JEE Main helpline numbers from 10 am to 5 pm at 0120 6895200 OR send an email to jeemain-nta@nic.in giving their JEE Main 2020 application number and also the confirmation page.

JEE Main Exam Pattern


NTA has released the JEE Main 2020 exam pattern for Paper 1 for the B.Tech aspirants. The JEE Main exam pattern specifies the subjects, types of questions asked, number of questions, duration of exam, marking scheme. mode of exam and language etc. The details of the exam pattern of JEE Main Paper 1 are given below.

JEE Main Exam Pattern (Paper 1)

JEE Main exam modeComputer based
JEE Main 2020 exam duration3 hours
Number of shifts in JEE Main 2020There will be two shifts per day:
(9:30 am to 12:30 pm
and
2:30 pm to 5:30 pm)
Type of QuestionsMultiple Choice Questions- 60
Numerical questions - 15
JEE Main Paper Pattern in detail
SubjectNo of QuestionsMarks
Part 1 - Maths20 MCQs + 5 Numerical100
Part 2 - Physics20 MCQs + 5 Numerical100
Part 3 - Chemistry20 MCQs + 5 Numerical100
Total75300
Marking Scheme for MCQs
Correct Answer (+4)
Incorrect (-1)
Unanswered(0)
Difficulty levels of questionsMaths and Aptitude - Class 11 and Class 12 standard

JEE Main Exam Pattern (Paper 2)

B.Arch or B.Plan aspirants appearing for JEE Main Paper II must be conversant with the exam pattern. The JEE Main 2020 exam pattern (Paper 2) allows students to know what to expect in the exam in terms of types of questions, marking scheme, language, mode and more. Paper 2 of JEE Main is separate for B.Arch and B.Plan applicants. While both have aptitude and mathematics common, B.Acrh students must take up the drawing test while the B.Plan applicants must answer the planning section.  Candidates can check the exam pattern of JEE Main 2020 below.

 JEE Main 2020 Exam Pattern (Paper 2) for B.Arch

JEE Main exam modeComputer based
JEE Main 2020 exam duration3 hours
Language of JEE MainEnglish/ Hindi. Gujarati allowed for students from Gujarat, Damn & Diu only
Number of shifts in JEE Main 2020There will be two shifts per day:
(9:30 am to 12:30 pm and 2:30 pm to 5:30 pm)
Type of QuestionsFor Maths and Aptitude -Multiple choice questions (MCQs) and Numerical Questions (NQs)
Drawing - questions requiring drawing
JEE Main Paper Pattern in detail
SubjectNo of QuestionsMarks
Part 1 - Maths20 MCQs + 5 Numerical100
Part 2 - Aptitude50 MCQs200
Part 3 - Drawing2100
Total (tentative)77400
Marking Scheme for MCQs
Correct Answer (+4)
Incorrect (-1)
Unanswered(0)
Difficulty levels of questionsMaths and Aptitude - Class 11 and Class 12 standard


JEE Main Exam Pattern (Paper 2) for B.Plan

ParametersParticulars
Exam Mode of JEE MainComputer-based test (CBT)
Exam Duration of JEE Main3 hours
SubjectsMathematics, General Aptitude and Planning
Total number and type of questionsMaths - 20 MCQ questions and 5 numerical uestions
Aptitude - 50 MCQs
Planning - 25 questions.
Marking Scheme4 marks for a correct answer
-1 for an incorrect answer.
No negative marks for numerical questions
Maximum Marks400
Medium of paperEnglish or Hindi (Candidates from Gujarat, Daman & Diu and Dadra and Nagar Haveli can opt for Gujarati as well)


JEE Main Paper 1 Syllabus


Mathematics: Unit 01
Sets, relations and functions
Sets and their representation
Union
Intersection and complement of sets and their algebraic properties
Power set
Relation
Types of relations
Equivalence relations
Functions
One-one, into and onto functions
Composition of functions
Mathematics: Unit 02
Complex number and quadratic equations
Complex numbers as ordered pairs or reals
Representation of complex numbers in the form a+ib and their representation in a plane
Argand diagram
Algebra of complex numbers
Modulus and argument of a complex number
Square root of a complex number
Triangle inequality
Quadratic equation in real and complex number system and their solutions
Relation between roots and co-efficients
Nature of roots
Formation of quadratic equations with given roots
Mathematics: Unit 03
Matrices and determinants
Matrices
Algebra of matrices
Types of matrices
Determinants and matrices of order two and three
Properties of determinants
Evaluation of determinants
Area of triangles using determinants
Adjoint and evaluation of inverse of a square matrix using determinants and elementary transformations
Test of consistency and solution of simultaneous linear equations in two or three variables using determinants and matrices
Mathematics: Unit 04
Permutations and combinations
Fundamental principle of counting
Permutation as an arrangement and combination as selection
Meaning of P (n, r) and C (n, r). Simple applications
Mathematics: Unit 05
Mathematical induction
Principle of mathematical induction and its simple applications
Mathematics: Unit 06
Binomial theorem and its simple applications
Binomial theorem for a positive integral index
General term and middle term
Properties of binomial coefficients and simple applications
Mathematics: Unit 07
Sequences and series
Arithmetic and geometric progressions
Insertion of arithmetic, geometric means between two given numbers
Relation between A.M. and G.M., Sum up to n terms of special series Sn, Sn2, Sn3
Arithmetico-Geometric progression
Mathematics: Unit 08
Limit, continuity and differentiability
Real functions
Valued functions
Algebra of functions
Polynomial functions
Rational functions
Trigonometric functions
Logarithmic and exponential functions
Inverse functions
Graphs of simple functions
Limits, continuity and differentiability
Differentiation or the sum, difference
Product and quotient of two functions
Differentiation of trigonometric, inverse trigonometric, logarithmic, exponential, composite and implicit functions
Derivatives of order up to two
Rolle's and Lagrange's mean value theorems
Applications of derivatives
Rate of change of quantities
Monotonic - increasing and decreasing functions
Maxima and minima of functions of one variable
Tangents and normals
Mathematics: Unit 09
Integrals calculus
Integral as an anti -derivative
Fundamental integrals involving algebraic, trigonometric , exponential and logarithmic functions
Integration by substitution, by parts and by partial fractions
Integration using trigonometric identities
Integral as limit or a sum
Fundamental theorem of calculus
Properties of definite integrals
Evaluation of definite integrals
Determining areas of the regions bounded by simple curves in standard form
Mathematics: Unit 10
Differential equations
Ordinary differential equations and their order and degree
Formation of differential equations
Solution of differential equations by the method of separations of variables
Solution of differential equations by the method of separations of variables,solution of homogeneous and linear differential equations of the type : dy/dx+p(x)y=q(x)
Mathematics: Unit 11
Co-ordinate geometry
Cartesian system of rectangular co-ordinates 10 in a plane
Distance formula
Section formula
Locus and its equation
Translation of axes
Slope of a line
Parallel and perpendicular lines
Intercepts of a line on the coordinate axes
Various forms of equations of a straight line
Intersection of lines
Angles between two lines
Conditions for concurrence of three lines
Distance of a point from a line
Equations of internal and external bisectors of angles between two lines
Coordinates of centroid
Orthocentre and circumcentre of a triangle
Equation of family of lines passing through the point of intersection of two lines
Standard form of equation of a circle
General form of the equation of a circle, its radius and centre
Equation of a circle when the end points of a diameter are given
Points of intersection of a line and a circle with the centre at the origin and condition for a line to be tangent to a circle
Equation of the tangent
Sections of cones
Equation of conic sections in standard forms
Condition for y = mx + c to be a tangent and point (s) of tangency
Mathematics: Unit 12
Three-dimensional geometry
Coordinates of a point in space
Distance between two points
Section formula
Direction ratios and direction cosines
Angle between two intersecting lines
Skew lines and the shortest distance between them and its equation
Equations of a line and a plane in different forms
Intersection of a line and a plane
Coplanar lines
Mathematics: Unit 13
Vector algebra
Vectors and scalars
Addition of vectors
Components of a vector in two dimensions and three dimensional space
Scalar and vector products
Scalar and vector triple product
Mathematics: Unit 14
Statistics and probability
Measures of dispersion
Calculation of mean and median
Mode of grouped and ungrouped data calculation of standard deviation
Variance and mean deviation for grouped and ungrouped data
Probability of an event
Addition and multiplication theorems of probability
Baye's theorem
Probability distribution of a random variate
Bernoulli trials and binomial distribution
Mathematics: Unit 15
Trigonometry
Trigonometrical identities and equations, trigonometrical functions
Inverse trigonometrical functions and their properties
Heights and distances
Mathematics: Unit 16
Mathematical reasoning
Statements
Logical operations and, or, implies, implied by, if and only if
Understanding of tautology
Contradiction
Converse and contrapositive

Physics: Unit 01
Physics and measurements
Physics
Technology and society
S I units
Fundamental and derived units
Least count
Accuracy and precision of measuring instruments
Errors in measurement
Dimensions of physical quantities
Dimensional analysis and its applications
Physics: Unit 02
Kinematics
Frame of reference
Motion in a straight line
Position-time graph
Speed and velocity
Uniform and non-uniform motion
Average speed and instantaneous velocity uniformly accelerated motion
Velocity-time graph
Position-time graphs
Relations for uniformly accelerated motion
Scalars and vectors
Vector addition and subtraction
Zero vector
Scalar and vector products
Unit vector
Resolution of a vector
Relative velocity
Motion in a plane
Projectile motion
Uniform circular motion
Physics: Unit 03
Laws of motion
Force and inertia
Newton's first law of motion
Momentum
Newton's second law of motion
Impulse
Newton's third law or motion
Law of conservation of linear momentum and its applications
Equilibrium of concurrent forces
Static and kinetic friction
Laws of friction
Rolling friction
Dynamics of uniform circular motion
Centripetal force and Its applications
Physics: Unit 04
Work, energy and power
Work done by a constant force and a variable force
Kinetic and potential energies
Work energy theorem
Power
Potential energy of a spring
Conservation of mechanical energy
Conservative and non-conservative forces
Elastic and inelastic collisions in one and two dimensions
Physics: Unit 05
Rotational motion
Centre of mass or a two-particle system
Centre of mass of a rigid body
Basic concepts of rotational motions
Moment of a force
Torque
Angular momentum
Conservation of angular momentum and its applications
Moment of inertia
Radius of gyration
Values of moments of inertia for simple geometrical objects
Parallel and perpendicular axes theorems and their applications
Rigid body rotation
Equations of rotational motion
Physics: Unit 06
Gravitation
The universal law of gravitation
Acceleration due to gravity and its variation with altitude and depth
Kepler's laws of planetary motion
Gravitational potential energy
Gravitational potential
Escape velocity
Orbital velocity of a satellite
Geo-stationary satellites
Physics: Unit 07
Properties of solids and liquids
Elastic behaviour
Stress-strain relationship
Hooke's law
Young's modulus
Bulk modulus
Modulus of rigidity
Pressure due to a fluid column
Pascal's law and its applications.
Viscosity
Stokes' law
Terminal velocity
Streamline and turbulent flow
Reynolds number
Bernoulli's principle and its applications
Surface energy and surface tension
Angle of contact
Application of surface tension
Drops, bubbles and capillary rise
Heat
Temperature
Thermal expansion
Specific heat capacity
Calorimetry
Change or state
Heat transfer-conduction
Convection and radiation
Newton's law of cooling
Physics: Unit 08
Thermodynamics
Thermal equilibrium
Zeroth law of thermodynamics
Concept of temperature
Heat, work and internal energy
First law of thermodynamics
Second law of thermodynamics
Reversible and irreversible processes
Carnot engine and its efficiency
Physics: Unit 09
Kinetics theory of gases
Equation of state of a perfect gas, work done on compressing a gas
Kinetic theory of gases - assumptions
Concept of pressure
Kinetic energy and temperature
RMS speed of gas molecules
Degrees of freedom
Law of equipartition of energy
Applications to specific heat capacities of gases
Mean free path
Avogadro's number
Physics: Unit 10
Oscillations and waves
Periodic motion-period
Frequency
Displacement as a function of time
Periodic functions
Simple harmonic motion and its equation
Phase
Oscillations of a spring
Restoring force and force constant
Energy in S.H.M
Kinetic and potential energies
Simple pendulum
Derivation or expression for its time period
Free, forced and damped oscillations
Resonance
Wave motion, phase, amplitude and velocity of wave
Longitudinal and transverse waves
Speed of a wave
Displacement relation for a progressive wave
Principle of superposition of waves
Reflection of waves
Standing waves in strings and organ pipes
Beats
Doppler effect in sound
Physics: Unit 11
Electrostatics
Electric charges
Conservation of charge
Coulomb's law-forces between two point charges
Forces between multiple charges
Superposition principle and continuous charge distribution
Electric field
Electric field due to a point charge
Electric field lines
Electric dipole
Electric field due to a dipole
Torque on a dipole in uniform electric field
Electric flux
Gauss's law and its applications to find field due to infinitely long uniformly charged straight wire
Uniformly charged infinite plane sheet and uniformly charged thin spherical shell
Electric potential and its calculation for a point charge
Electric dipole and system or charges
Equipotential surfaces
Electrical potential energy of a system of two point charges in an electrostatics field
Conductors and insulators
Dielectrics and electric polarization
Capacitor
Combination of capacitors in series and in parallel
Capacitance or a parallel plate capacitor with and without dielectric medium between the plates
Energy stored in a capacitator
Physics: Unit 12
Current electricity
Electric current
Drift velocity
Ohm's law
Electrical resistance
Resistances of different materials
V-I characteristics of ohmic and non ohmic conductors
Electrical energy and power
Electrical resistivity
Colour code for resistors
Series and parallel combinations of resistors
Temperature dependence of resistance
Electric cell and its Internal resistance
Potential difference and EMF of a cell
Combination of cells in series and in parallel
Kirchhoff's laws and their applications
Wheatstone bridge
Metre bridge
Potentiometer and its principle and its applications
Physics: Unit 13
Magnetic effects of current and magnetism
Biot - Savart law and its application to current carrying circular loop
Ampere's law and its applications to infinitely long current carrying straight wire and solenoid
Force on a moving charge in uniform magnetic and electric fields
Cyclotron
Force on a current-carrying conductor in a uniform magnetic field
Force between two parallel current carrying conductors
Definition of ampere
Torque experienced by a current loop in uniform magnetic field
Moving coil galvanometer and its current sensitivity and conversion to ammeter and voltmeter
Current loop as a magnetic dipole and its magnetic dipole moment
Bar magnet as an equivalent solenoid
Magnetic field lines
Earth's magnetic field and magnetic elements
Para, dia and ferro magnetic substance
Magnetic susceptibility and permeability
Hysteresis
Electromagnets and permanent magnets
Physics: Unit 14
Electromagnetic induction and alternating currents
Electromagnetic induction
Faraday's law
Induced EMF and current
Lenz's law
Eddy currents
Self and mutual inductance
Alternating currents
Peak and RMS value of alternating current/voltage
Reactance and impedance
LCR series circuit
Resonance
Quality factor
Power in AC circuits
Wattless current
AC generator and transformer
Physics: Unit 15
Optics
Reflection and refraction of light at plane and spherical surfaces
Mirror formula
Total internal reflection and its applications
Deviation and dispersion of light by a prism
Lens formula
Magnification
Power of a lens
Combination of thin lenses in contact
Microscope and astronomical telescope and their magnifying powers
Wave optics
Wavefront and Huygens principle
Laws of reflection and refraction using Huygens principle
Interference
Young's double slit experiment and expression for fringe width
Coherent sources and sustained interference of light
Diffraction due to a single slit
Width of central maximum
Resolving power of microscopes and astronomical telescopes
Polansation
Plane polarized light
Brewster's law
Uses of plane polarized light and polaroids
Physics: Unit 16
Dual nature of matter and radiation
Dual nature of radiation
Photoelectric effect
Hertz and Lenard's observations
Einstein's photoelectric equation
Particle nature of light
Matter waves-wave nature of particle and Broglie relation
Davisson-Germer experiment
Physics: Unit 17
Atoms and nuclei
Alpha-particle scattering experiment
Rutherford's model of atom
Bohr model
Energy levels
Hydrogen spectrum
Composition and size of nucleus
Atomic masses
Isotopes
Isobars
Isotones
Radioactivity
Alpha. beta and gamma particles/rays and their properties
Radioactive decay law
Mass-energy relation, mass defect, binding energy per nucleon, Its variation with mass number
Mass defect
Binding energy per nucleon and its variation with mass number
Nuclear fission and fusion
Physics: Unit 18
Electronic devices
Semiconductors: Semiconductor diode
1-V characteristics in forward and reverse bias
Diode as a rectifier
I-V characteristics or LED
Photodiode
Solar cell and Zener diode
Zener diode as a voltage regulator
Junction transistor
Transistor action
Characteristics or a transistor
Transistor as an amplifier and oscillator
Logic gates or, and, not, nand and nor
Transistor as a switch
Physics: Unit 19
Communications system
Propagation of electromagnetic waves in the atmosphere
Sky and space wave propagation
Need for modulation
Amplitude and frequency modulation
Bandwidth of signals
Bandwidth of transmission medium
Basic elements of a communication system
Physics: Unit 20
Experimental skills
Familiarity with the basic approach and observations of the experiments and activities
Vernier callipers and its use to measure internal and external diameter and depth of a vessel
Screw gauge and its use to determine thickness/diameter of thin sheet/wire
Simple pendulum-dissipation of energy by plotting a graph between square of amplitude and time
Meter scale and mass or a given object by principle of moments
Young's modulus of elasticity of the material of a metallic wire
Surface tension of water by capillary rise and effect of detergents
Co-efficient or viscosity of a given viscous liquid by measuring terminal velocity of a given spherical body
Plotting a cooling curve for the relationship between the temperature of a hot body and time
Speed of sound in air at room temperature using a resonance tube
Specific heat capacity of a given solid and liquid by method of mixtures
Resistivity of the material of a given wire using metre bridge
Resistance of a given wire using Ohm's law
Potentiometer
Comparison or EMF of two primary cells
Determination of internal resistance of a cell
Resistance and figure of merit of a galvanometer by half deflection method
Focal length of
Convex mirror
Concave mirror
Convex Iens using parallax method
Plot of angle of deviation vs angle of incidence for a triangular prism
Refractive index of a glass slab using a travelling microscope
Characteristic curves of a p-n junction diode in forward and reverse bias
Characteristic curves of a Zener diode and finding reverse break down voltage
Characteristic curves of a transistor and finding current gain and voltage gain
Identification of diode, LED, transistor, IC, resistor, capacitor from mixed collection of such items
Using multimeter to: i) Identify base of a transistor, ii) distinguish between NPN and PNP type transistor, iii) See the unidirectional flow of current in case of a diode and an LED, iv) Check the correctness or otherwise of a given electronic component

Chemistry: Unit 01
Some basic concepts in chemistry
Matter and its nature
Dalton's atomic theory
Concept of atom, molecule, element and compound
Physical quantities and their measurements in chemistry
Precision and accuracy
Significant figures
S.I Units
Dimensional analysis
Laws of chemical combination
Atomic and molecular masses
Mole concept
Molar mass
Percentage composition
Empirical and molecular formulae
Chemical equations and stoichiometry
Chemistry: Unit 02
States of matter
Gaseous state
Measurable properties of gases
Gas laws-Boyles Iaw,Charles law,Graham's law of diffusion,Avogadro's law and Dalton's law of partial pressure
Concept of absolute scale of temperature
Ideal gas equation
Kinetic theory of gases, average, root mean square and most probable velocities and their relation with temperature
Concept of average, root mean square and most probable velocities
Real gases
Deviation from ideal behaviour
Compressibility factor and Van der Waals equation
Liquid state
Properties of liquids
Vapour pressure
Viscosity and surface tension and effect of temperature on them
Solid state: Classification of solids
Molecular, ionic, covalent and metallic solids
Elementary idea of amorphous and crystalline solids
Bragg's law and its applications
Unit cell and lattices
Packing in solids
Voids
Calculations involving unit cell parameters
Imperfection in solids
Electrical and magnetic properties
Chemistry: Unit 03
Atomic structure
Thomson and Rutherford atomic models and their limitations
Nature of electromagnetic radiation
Photoelectric effect
Spectrum of hydrogen atom and its postulates
Bohr model of hydrogen atom and its postulates
Derivation of the relations for energy of the electron and radii of the different orbits
Limitations of Bohr's model
Dual nature of matter
De-Broglie's relationship
Heisenberg uncertainty principle
Elementary ideas of quantum mechanics
Quantum mechanical model of atom and its important features
Concept of atomic orbitals as one electron wave functions
Lectron wave functions: variation of Ѱand Ѱ² with r for Is and 2s orbitals: various quantum numbers
Shapes of s, p and d orbitals
Electron spin and spin quantum number
Rules for filling electrons in orbitals
Aufbau principle
Pauli's exclusion principle and Hund's rule
Electronic configuration of elements
Extra stability of half-filled and completely filled orbitals
Chemistry: Unit 04
Chemical bonding and molecular structure
Kossel - lewis approach to chemical bond formation
Concept of ionic and covalent bonds
Ionic bonding and formation of ionic bonds
Factors affecting the formation of ionic bonds
Calculation of lattice enthalpy
Covalent bonding
Concept of electronegativity
Fajan's rule
Dipole moment
Valence shell electron pair repulsion theory and shapes of simple molecules
Quantum mechanical approach to covalent bonding
Valence bond theory and its important features
Resonance
Molecular orbital theory and its important features
LCAOS
Types of molecular orbitals
Sigma and pi-bonds
Molecular orbital electronic configurations of homo nuclear diatomic molecules
Concept of bond order
Bond length and bond energy
Elementary idea of metallic bonding
Hydrogen bonding and its applications
Chemistry: Unit 05
Chemical thermodynamics
Fundamentals of thermodynamics
System and surroundings
Extensive and intensive properties
State functions
Types of processes
First law or thermodynamics
Concept of work, heat, internal energy and enthalpy
Heat capacity and molar heat capacity
Hess's law of constant heat summation
Enthalpies of bond dissociation
Combustion
Formation
Atomization
Sublimation
Phase transition
Hydration
Ionization and solution
Second law of thermodynamics
Spontaneity of processes
∆S of the universe and ∆G of the system as criteria for spontaneity
Standard Gibbs energy change and equilibrium constant
Chemistry: Unit 06
Solutions
Different methods for expressing concentration of solution
Molality, molarity, mole fraction, percentage, vapour pressure of solutions and Raoult's law
Ideal and non-ideal solutions
Composition of vapour pressure
Plots for ideal and non-ideal solutions
Colligative properties of dilute solutions
Relative lowering of vapour pressure
Depression of freezing point
Elevation of boiling point and osmotic pressure
Determination of molecular mass using colligative properties
Abnormal value of molar mass
Van't Hoff factor and its significance
Chemistry: Unit 07
Equilibrium
Meaning of equilibrium
Concept of dynamic equilibrium
Equilibria involving physical processes
Solid -liquid, liquid - gas and solid - gas equilibria
Henry's law
General characteristics of equilibrium involving physical processes
Equilibria
Law of chemical equilibrium
Equilibrium constants and their significance
Significance of ∆G and ∆G' in chemical equilibria
Factors affecting equilibrium concentration, pressure and temperature
Effect of catalyst
Le Chatelier's principle
Ionic equilibrium
Weak and strong electrolytes
Ionization of electrolytes
Various concepts of acids and bases and their ionization
Acid - base equilibria and ionization constants
Ionization of water
Ph scale
Common ion effect
Hydrolysis of salts and pH of their solutions
Solubility of sparingly soluble salts and solubility products
Buffer solutions
Chemistry: Unit 08
Redox reactions and electrochemistry
Electronic concepts of oxidation and reduction
Redox reactions
Oxidation number
Rules for assigning oxidation number
Balancing of redox reactions
Electrolytic and metallic conduction
Conductance in electrolytic solutions
Molar conductivities and their variation with concentration
Kohlrausch's law and its applications
Electrochemical cells
Electrolytic and galvanic cells
Different types of electrodes
Electrode potentials including standard electrode potential
Half-cell and cell reactions
EMF of a galvanic cell and its measurement
Nernst equation and its applications
Relationship between cell potential and Gibbs' energy change
Dry cell and lead accumulator
Fuel cells
Chemistry: Unit 09
Chemical kinetics
Rate of a chemical reaction
Factors affecting the rate of reactions
Concentration, temperature, pressure and catalyst
Elementary and complex reactions
Order and molecularity of reactions
Rate law
Rate constant and its units
Elementary and complex reactions,order and molecularity of reactions,rate law,rate constant and its units,differential and integral forms of zero and first order reactions and their characteristics,rate of a chemical reaction
Factors affecting the rate of reactions,concentration, temperature, pressure and catalyst,effect of temperature on rate of reactions
Arrhenius theory
Activation energy and its calculation
Collision theory of bimolecular gaseous reactions
Chemistry: Unit 10
Surface chemistry
Adsorption
Physisorption and chemisorption and their characteristics
Factors affecting adsorption of gases on solids
Freundlich and Langmuir adsorption isotherms
Adsorption from solutions
Catalysis
Homogeneous and heterogeneous
Activity and selectivity of solid catalysts
Enzyme catalysis and its mechanism
Colloidal state
Distinction among true solutions
Colloids and suspensions
Classification of colloids
Lyophilic and lyophobic
Multi molecular
Macromolecular and associated colloids
Preparation and properties of colloids
Tyndall effect
Brownian movement
Electrophoresis
Dialysis
Coagulation and flocculation
Emulsions and their characteristics
Chemistry: Unit 11
Classification of elements and periodicity in properties
Modern periodic law and present form of the periodic table, s, p, d and f block elements
Periodic trends in properties of elements atomic and ionic radii
Ionization enthalpy
Electron gain enthalpy
Valence
Oxidation states and chemical reactivity
Chemistry: Unit 12
General principles and process of Isolation of metals
Mode of occurrence of elements in nature
Minerals
Ores
Steps involved in the extraction or metals
Concentration
Reduction and refining with special reference to the extraction of Al, Cu, Zn and Fe
Thermodynamic and electrochemical principles involved in the extraction of metals
Chemistry: Unit 13
Hydrogen
Position of hydrogen in periodic table
Isotopes
Preparation, properties and uses of hydrogen
Physical and chemical properties of water and heavy water
Structure and preparation of hydrogen peroxide
Reactions and uses of hydrogen peroxide
Classification of hydrides
Classification of ionic, covalent and interstitial
Hydrogen as a fuel
Chemistry: Unit 14
S - block elements - alkali and alkaline earth metals
General introduction of group 1 and 2 Elements
Electronic configuration and general trends in physical and chemical properties of elements
Anomalous properties of the first element of each group
Diagonal relationships
Preparation & properties of some important compounds
Sodium carbonate and sodium hydroxide and sodium hydrogen carbonate
Industrial uses of lime, limestone plaster of Paris and cement
Biological significance of Na, K, Mg and Ca
Chemistry: Unit 15
P - block elements
General Introduction of Group 13 to 18 Elements
Electronic configuration and general trends in physical and chemical properties of elements across the periods and down the groups
Unique behaviour or the first element in each group
Chemistry: Unit 16
P - block elements - group 13 elements
Preparation, properties and uses of boron and aluminium
Structure, properties and uses of borax, boric acid, diborane, boron trifluoride, aluminium chloride and alums
Structure, properties and uses of boric acid
Structure, properties and uses of diborane
Structure, properties and uses of boron trifluoride
Structure, properties and uses of aluminium chloride and alums
Chemistry: Unit 17
P - block elements - group 14 elements
Tendency for catenation
Structure, properties and uses of allotropes and oxides of carbon, silicon tetrachloride, silicates. Zeolites and silicones
Chemistry: Unit 18
P - block elements - group 15 elements
Properties and uses or nitrogen and phosphorus
Allotrophic forms of phosphorus
Preparation, properties, structure and uses of ammonia, nitric acid, phosphine and phosphorus halides
Structures of oxides and oxoacids of nitrogen and phosphorus
Chemistry: Unit 19
P - block elements - group 16 elements
Preparation, properties, structures and uses of ozone
Allotropic forms or sulphur
Preparation, properties, structures and uses of sulphuric acid
Structures of oxoacids of sulphur
Chemistry: Unit 20
P - block elements - group 17 elements
Preparation, properties and uses of hydrochloric acid
Trends in the acidic nature of hydrogen halides
Structures of interhalogen compounds and oxides and oxoacids of halogens
Chemistry: Unit 21
P - block elements - group 18 elements
Occurrence and uses of noble gases
Structures of fluorides and oxides of xenon
Chemistry: Unit 22
D and F - block elements
Transition elements
General introduction
Electronic configuration
Occurrence and characteristics
General trends in properties of the first row transition elements
Physical properties
Ionization enthalpy
Oxidation states
Atomic radii
Colour and catalytic behaviour
Magnetic properties
Complex formation
Interstitial compounds
Alloy formation
Preparation, properties and uses of K, Cr, O, and KMnO4
Inner Transition Elements
Electronic configuration of lanthanoids
Actinoids-oxidation states and lanthanoid contraction
Electronic configuration and oxidation states of actinoids
Chemistry: Unit 23
Co-ordinations compound
Introduction to co-ordination compounds
Werner's theory
Ligands
Co-ordination number
Denticity
Chelation
IUPAC nomenclature of mononuclear co-ordination compounds
Isomerism - Structural and stereoisomerism
Bonding
Valence bond approach and basic ideas of crystal field theory
Colour and magnetic properties
Importance of co-ordination compounds
Chemistry: Unit 24
Environmental chemistry
Environmental pollution
Atmospheric, water and soil
Atmospheric pollution
Tropospheric and stratospheric
Tropospheric pollutants - Gaseous pollutants
Oxides of carbon, nitrogen and sulphur, hydrocarbons and their sources
Harmful effects and prevention
Greenhouse effect and global warming
Acid rain
Particulate pollutants-smoke, dust, smog. fumes, mist and their sources,harmful effects and prevention
Stratospheric pollution
Formation and breakdown of ozone
Depletion or ozone layer and its mechanism and effects
Water pollution
Major pollutants such as pathogens, organic wastes and chemical pollutants and their harmful effects and prevention
Soil pollution
Major pollutants such as pesticides their harmful effects and prevention
Strategies to control environmental pollution
Chemistry: Unit 25
Purification and characteristics of organic compounds
Purification
Crystallization
Sublimation
Distillation
Differential extract ion and chromatography
Principles and their applications
Qualitative analysis
Detection of nitrogen, sulphur, phosphorus and halogens
Quantitative analysis
Estimation of carbon, hydrogen, nitrogen, halogens, sulphur and phosphorus
Calculations or empirical formulae and molecular formulae
Numerical problems in organic quantitative analysis
Chemistry: Unit 26
Some basic principles of organic chemistry
Tetra valency of carbon
Shapes of simple molecules
Hybridization of S and P
Classification of organic compounds based on functional groups and those containing halogens, oxygen, nitrogen and sulphur
Homologous series
Isomerism - Structural and stereoisomerism
Nomenclature of trivial and IUPAC
Covalent bond fission
Homolytic and heterolytic
Free radicals
Carbocations and carbanions
Stability of carbocations and free radicals, electrophiles and nucleophiles
Electronic displacement in a covalent bond
Inductive effect
Electrometric effect
Resonance and hyper conjugation
Common types of organic reactions
Substitution, addition, elimination and rearrangement
Chemistry: Unit 27
Hydrocarbons
Classification
Isomerism - Structural and stereoisomerism
IUPAC nomenclature
General methods of preparation, properties and reactions
Alkanes
Conformations
Sawhorse and Newman projections
Mechanism of halogenation of alkanes
Alkenes
Geometrical isomerism
Mechanism of electrophilic addition
Addition of hydrogen, halogens, water, hydrogen halides
Ozonolysis and polymerization
Alkynes
Acidic character
Addition of hydrogen, halogens, water and hydrogen halides
Polymerization
Aromatic hydrocarbons
Nomenclature
Benzene
Structure and aromaticity
Mechanism of electrophilic substitution
Halogenation
Nitration
Friedel-Craft's alkylation and acylation
Directive influence of functional group in mono-substituted benzene
Chemistry: Unit 28
Organic compounds containing halogens
General methods of preparation, properties and reactions
Nature of C-X bond
Mechanisms of substitution reactions
Uses: Environmental effects of chloroform
Iodoform freons and DDT
Chemistry: Unit 29
Organic compounds containing oxygen
General Methods of Preparation, Properties, Reactions and Uses
Alcohols Phenols and Esther
Identification of primary, secondary and tertiary alcohols
Mechanism of dehydration
Phenols
Acidic nature
Electrophilic substitution reactions, halogenation, nitration, sulphonation, Friedel-Crafts alkylation and acylation
Halogenation, nitration and sulphonation
Reimer-Tiemann reactionEthers
Aldehyde and ketones
Nature of carbonyl group
Nucleophilic addition to >C=O group
Relative reactivities of aldehydes and ketones
Important reactions such as nucleophilic addition reactions
Grignard reagent
Oxidation
Reduction
Acidity of α-hydrogen
Aldol condensation
Cannizzaro reaction
Haloform reaction
Chemical tests to distinguish between aldehydes and ketones
Carboxylic acids: formation of esters, acid chlorides and amides, ester hydrolysis
Acidic strength and factors affecting it
Chemistry: Unit 30
Organic compounds containing nitrogen
General methods of preparation, properties, reactions and uses.
Amines:Nomenclature,classification,structure,basic character and identification of primary, secondary and tertiary amines and their basic character
Diazonium salts
Importance in synthetic organic chemistry
Chemistry: Unit 31
Polymers
General introduction and classification of polymers
General methods of polymerization, addition and condensation
Copolymerization
Natural and synthetic rubber and vulcanization
Some important polymers with emphasis on their monomers and uses
Polythene, nylon, polyester and Bakelite
Chemistry: Unit 32
Biomolecules
General introduction and importance or biomolecules
Classification of carbohydrates
Aldoses and ketoses
Monosaccharides and constituent monosaccharides of oligosaccharides
Proteins
Elementary Idea of α-amino acids, peptide bond, polypeptides
Primary, secondary, tertiary and quaternary structure of proteins
Denaturation of proteins and enzymes
Classification and functions of vitamins
Nucleic acid
Chemical constitution of DNA and RNA
Biological functions of nucleic acids
Chemistry: Unit 33
Chemistry in everyday life
Chemicals in medicines-Analgesies,tranquilizers,antiseptics,disinfectants,antimicrobials,antifertility drugs,antibiotics,antacids,antihistamins-their meaning and common examples
Chemicals in food-Preservatives,artificial sweatening agents-common examples, Cleansing agents - -Soaps and detergents,cleansing action
Chemistry: Unit 34
Principles related to practical chemistry
Detection of extra elements in organic compounds
Detection of the functional groups
Alcoholic and phenolic
Aldehyde and ketone
Carboxyl and amino groups in organic compound
Chemistry involved in the preparation or the following: Inorganic compounds: Mohr's salt,potash alum; Organic compounds:Acetanilide,P nitroacetanilide,aniline yellow,iodoform
Chemistry involved in the titrimetric exercise
Acids, bases and the use of indicators
Oxalic-acid vs mohr's salt vs KMnO4
Chemical principles involved in the qualitative salt analysis
Cations
Anions
Chemical principles involved in the experiments
Enthalpy of solution of CuSO4
Enthalpy or neutralization of strong acid and strong base
Preparation of lyophilic and lyophobic sols
Kinetic study or reaction of iodide with hydrogen peroxide at room temperature

JEE Main Paper 2 Syllabus

Drawing: Unit 01
Awareness of person, place, building and materials
Objects
Texture related to architecture and build-environment
Visualising three dimensional objects from two dimensional drawings
Visualising different sides or three dimensional objects
Analytical reasoning mental ability (visual,numerical and verbal)
Drawing: Unit 02
Three-dimensional
Perception: understanding and appreciation of scale and proportion of objects,building forms and elements,colour texture,harmony and contrast
Design and drawing or geometrical or abstract shapes and patterns in pencil
Transformation of forms both 2D and 3D union
Subtraction, rotation and development or surfaces and volumes
Generation of plan
Elevations and 3D views of objects
Creating two dimensional and three dimensional compositions using given shapes and forms
Sketching of scenes and activities from memory of urbanscape (public space,market,festivals,street scenes,monuments,recreational spaces etc.)
Landscape(river fronts,jungles,gardens,trees,plants etc.) and rural life

JEE Main 2021 Books

Best books for JEE Main Physics
Name of the book Author
Concepts of physics (Vol. 1 & Vol. 2)by H.C Verma
Fundamentals of Physicsby Halliday, Resnick & walker
Understanding Physics: Set of books forby D C Pandey (Arihant Publications)
Problems in General Physicsby I.E Irodov
Problems in physicsby SS Krotov
Problems and solution of physicsby Shashi bhushan tiwari
Best books for JEE Main 2021 Chemistry
Name of the book Author
NCERT Textbooks (for Class XI and XII)
Modern Approach to Chemical Calculationsby R.C. Mukherjee
Organic Chemistry by O P Tandon
Concise Inorganic Chemistry by J D Lee
Physical Chemistry by P.W. Atkins
Organic Chemistryby Morrison & Boyd
Concept of Physical Chemistryby P Bahadur
Best books for JEE Main 2021 Mathematics
Name of the book Author
Objective Mathematicsby R D Sharma
The Elements Of Coordinate Geometry by S L Loney
Play with Graphs by Amit M Agarwal (Arihant Publications)
Algebra by Dr S K Goyal Arihant Publications
Differential Calculus by Amit M Agarwal (Arihant Publications)
Integral Calculus by Amit M Agarwal (Arihant Publications)
Complete mathematics for JEE Main by Ravi Prakash (Author), Ajay Kumar (Author), Usha Gupta (Author)
Plane Trigonometryby S L Loney

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