JEE Main Physics

I need the Physics syllabus of Joint Entrance Examination Mains so that I can prepare from it easily?

[shikha]

No problem I will get the Joint Entrance Examination Mains syllabus of Physics subject so that you can get idea.

The syllabus contains two Sections - A and B. Section - A pertains to the Theory Part having 80% weightage, while Section - B contains Practical Component (Experimental Skills) having 20% weightage

Here is the syllabus

SECTION A
UNIT 1: Physics and Measurement
Physics, technology and society, S I 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. 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 8: 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 9: Kinetic Theory of Gases



Equation of state of a perfect gas, work doneon 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.

UNIT 10: 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. Principle of superposition of
waves, reflection of waves, Standing waves in strings and organ pipes,
fundamental mode and harmonics, Beats, Doppler effect in sound

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 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 12: 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 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, 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 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.

UNIT 15: 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.

UNIT 16: 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 (reflecting and refracting) and their magnifying powers.



Wave optics: wavefront and Huygens’ principle, Laws of reflection and
refraction using Huygen’s 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,
Polarisation, plane polarized light; Brewster’s law, uses of plane polarized
light and Polaroids.

UNIT 17: 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 18: 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 19: 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.

UNIT 20: Communication Systems



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 (Block Diagram only)

SECTION-B

UNIT 21: 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 - (i) Comparison of emf of two primary cells. (ii)
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 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 (diode, transistor or IC).