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JEE Main Physics Syllabus: Chapters Come Under Mechanics

UNIT 1: Physics and Measurement

  • Physics, technology and society, SI units, Fundamental and derived units
  • Least count, accuracy and precision of measuring instruments, Errors in measurement, Significant figures
  • Dimensions of Physical quantities, dimensional analysis and its applications

UNIT 2: 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, 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

UNIT 3: Laws of Motion

  • Force and Inertia, Newton’s First Law of motion Momentum, Newton’s Second Law of motion
  • Impulse
  • Newton’s Third Law of 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. 

UNIT 4: 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

UNIT 5: Rotational Motion

  • Centre of mass of a two-particle system, Centre of mass of a rigid body
  • Basic concepts of rotational motion
  • 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

UNIT 6: 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 

UNIT 7: 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 

UNIT 8: Oscillations and Waves

  • Periodic motion - period, frequency, displacement as a function of time
  • Periodic functions
  • Simple harmonic motion (S.H.M.) 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 of expression for its time period
  • Free, forced and damped oscillations, resonance
  • Wave motion
  • Longitudinal and transverse waves, speed of a wave
  • Displacement relation for a progressive wave
  • The principle of superposition of waves, reflection of waves, Standing waves in strings and organ pipes, fundamental mode and harmonics, Beats, Doppler effect in sound
  • Chapters Come Under Mechanics for JEE Main 

JEE Main 2019 Physics Syllabus: Chapters Come Under Heat and Thermodynamics

UNIT 9: Thermal Properties of Matter

  • Heat, temperature, thermal expansion
  • Specific heat capacity, calorimetry
  • Change of state, latent heat
  • Heat transfer- conduction, convection and radiation, Newton’s law of cooling

UNIT 10: 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

UNIT 11: Kinetic 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

JEE Main Physics Syllabus 2019: Chapters Come Under Electrostatics & Electromagnetism

UNIT 12: 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 a 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 of charges
  • Equipotential surfaces, Electrical potential energy of a system of two point charges in an electrostatic field
  • Conductors and insulators, Dielectrics and electric polarization, capacitor, combination of capacitors in series and in parallel, capacitance of a parallel plate capacitor with and without dielectric medium between the plates, Energy stored in a capacitor. 

UNIT 13: Magnetism of Moving Charges and Magnetic Properties of Matter

  • 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, 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 substances
  • Magnetic susceptibility and permeability, Hysteresis, Electromagnets and permanent magnets

UNIT 14: Electromagnetic Waves

  • Electromagnetic waves and their characteristics
  • Transverse nature of electromagnetic waves
  • Electromagnetic spectrum (radio waves, microwaves, infrared, visible, ultraviolet, Xrays, gamma rays)
  • Applications of e.m. waves

Physics Syllabus of JEE Main: Chapters Come Under Current Electricity and EMI

UNIT 15: Current Electricity

  • Electric current, Drift velocity, Ohm’s law, Electrical resistance, Resistances of different materials, V-I characteristics of Ohmic and nonohmic 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 - principle and its applications 

UNIT 16: Electromagnetic Induction

  • Electromagnetic inductio
  • Faraday’s law, induced emf and current
  • Lenz’s Law, Eddy currents
  • Self and mutual inductance

UNIT 17: Alternating Currents

  • 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

UNIT 18: Semiconductors and Electronic Devices

  • Semiconductors
  • Semiconductor diode: I-V characteristics in forward and reverse bias
  • Diode as a rectifier
  • I-V characteristics of LED, photodiode, solar cell and Zener diode
  • Zener diode as a voltage regulator
  • Junction transistor, transistor action, characteristics of a transistor
  • Transistor as an amplifier (common emitter configuration) and oscillator
  • Logic gates (OR, AND, NOT, NAND and NOR)
  • Transistor as a switch

JEE Main Physics: Chapters Come Under Optics & Modern Physics

UNIT 19: Optics

Ray Optics: 
1. Reflection and refraction of light at plane and spherical surfaces
2. Mirror formula
3. Total internal reflection and its applications
4. Deviation and Dispersion of light by a prism
5. Lens Formula
6. Magnification
7. Power of a Lens
8. Combination of thin lenses in contact
9. Microscope and Astronomical Telescope (reflecting and refracting) and their magnifying powers

Wave optics
1. Wavefront and Huygens’ principle
2. Laws of reflection and refraction using Huygen’s principle
3. Interference
4. Young’s double slit experiment and expression for fringe width
5. Coherent sources and sustained interference of light
6. Diffraction due to a single slit, width of central maximum
7. Resolving power of microscopes and astronomical telescopes, Polarisation, plane polarized light
8. Brewster’s law, uses of plane polarized light and Polaroids. 

UNIT 20: 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, de Broglie relation
  • Davisson-Germer experiment 

UNIT 21: 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 and its variation with mass number, nuclear fission and fusion. 

UNIT 22: Communication Systems

  • Propagation of electromagnetic waves in the atmosphereSky and space wave propagation
  • Need for modulation, Amplitude and Frequency Modulation, Bandwidth of signals, Bandwidth of Transmission medium, Basic Elements of a Communication System (Block Diagram only) 

JEE Main Physics Practicals

UNIT 23: Experimental Skills

  • Familiarity with the basic approach and observations of the experiments and activities:
  • Vernier callipers - its use to measure internal and external diameter and depth of a vessel.
  • Screw gauge-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.
  • Metre Scale - mass of 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 of 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 (i) solid and (ii) 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 of 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: (i) Convex mirror (ii) Concave mirror, and (iii) Convex lens using parallax method.
  • Plot of angle of deviation vs angle of incidence for a triangular prism.
  • Refractive index of a glass slab using a traveling 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 (diode, transistor or IC). 

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FAQs on JEE Main Physics Syllabus

1. What is the syllabus for JEE Main Physics?
Ans. The syllabus for JEE Main Physics includes topics such as kinematics, laws of motion, work, energy, and power, rotational motion, gravitation, properties of solids and liquids, thermodynamics, kinetic theory of gases, oscillations and waves, electrostatics, current electricity, magnetic effects of current and magnetism, electromagnetic induction and alternating currents, electromagnetic waves, optics, dual nature of matter and radiation, atoms and nuclei, electronic devices, communication systems, etc.
2. How many questions are asked in the JEE Main Physics section?
Ans. In the JEE Main Physics section, a total of 25 questions are asked. These questions are objective type multiple-choice questions (MCQs) with four options, out of which only one option is correct.
3. Are numerical-based questions included in the JEE Main Physics section?
Ans. Yes, starting from the year 2020, JEE Main has introduced numerical-based questions in the Physics section. These questions do not have options and candidates have to enter the numerical value as the answer. However, for these questions, there is no negative marking for incorrect answers.
4. Is it necessary to study all the topics mentioned in the JEE Main Physics syllabus?
Ans. Yes, it is essential to study all the topics mentioned in the JEE Main Physics syllabus. The examination is designed to test the candidate's understanding and knowledge of these topics. Skipping any topic may result in missing out on potential scoring opportunities in the exam.
5. How should I prepare for the JEE Main Physics section?
Ans. To prepare for the JEE Main Physics section, it is crucial to have a thorough understanding of the concepts and practice solving a variety of problems. Some tips for effective preparation include creating a study schedule, referring to standard textbooks, solving previous year question papers and sample papers, taking mock tests, seeking clarification for doubts, and staying updated with the latest exam pattern and syllabus. Regular practice and revision are key to scoring well in the Physics section of JEE Main.
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