Physics

SYLLABUS FOR JEE-2012 PHYSICS

 General

Units and dimensions, dimensional analysis; least count, significant figures; Methods of measurement and  error analysis for physical quantities pertaining to the following  experiments: Experiments based on using Vernier calipers and screw gauge  (micrometer), Determination of g using simple pendulum, Young’s modulus  by Searle’s method, Specific heat of a liquid using calorimeter, focal  length of a concave mirror and a convex lens using u-v method, Speed of  sound using resonance column, Verification of Ohm’s law using voltmeter  and ammeter, and specific resistance of the material of a wire using  meter bridge and post office box.

Mechanics

Kinematics  in one and two dimensions (Cartesian coordinates only), projectiles;  Uniform Circular motion; Relative velocity. Newton’s laws of motion;  Inertial and uniformly accelerated frames of reference; Static and  dynamic friction; Kinetic and potential energy; Work and power;  Conservation of linear momentum and mechanical energy. Systems of  particles; Centre of mass and its motion; Impulse; Elastic and inelastic  collisions. Law of gravitation; Gravitational potential and field;  Acceleration due to gravity; Motion of planets and satellites in  circular orbits; Escape velocity. Rigid body, moment of inertia,  parallel and perpendicular axes theorems, moment of inertia of uniform  bodies with simple geometrical shapes; Angular momentum; Torque;  Conservation of angular momentum; Dynamics of rigid bodies with fixed  axis of rotation; Rolling without slipping of rings, cylinders and  spheres; Equilibrium of rigid bodies; Collision of point masses with  rigid bodies. Linear and angular simple harmonic motions. Hooke’s law,  Young’s modulus. Pressure in a fluid; Pascal’s law; Buoyancy; Surface  energy and surface tension, capillary rise; Viscosity (Poiseuille’s  equation excluded), Stoke’s law; Terminal velocity, Streamline flow,  equation of continuity, Bernoulli’s theorem and its applications. Wave  motion (plane waves only), longitudinal and transverse waves,  superposition of waves; Progressive and stationary waves; Vibration of  strings and air columns; Resonance; Beats; Speed of sound in gases;  Doppler effect (in sound).

Thermal physics

Thermal  expansion of solids, liquids and gases; Calorimetry, latent heat; Heat  conduction in one dimension; Elementary concepts of convection and  radiation; Newton’s law of cooling; Ideal gas laws; Specific heats (Cv  and Cp for monoatomic and diatomic gases); Isothermal and adiabatic  processes, bulk modulus of gases; Equivalence of heat and work; First  law of thermodynamics and its applications (only for ideal gases);  Blackbody radiation: absorptive and emissive powers; Kirchhoff’s law;  Wien’s displacement law, Stefan’s law.

Electricity and magnetism

Coulomb’s  law; Electric field and potential; Electrical potential energy of a  system of point charges and of electrical dipoles in a uniform  electrostatic field; Electric field lines; Flux of electric field;  Gauss’s law and its application in simple cases, such as, to find field  due to infinitely long straight wire, uniformly charged infinite plane  sheet and uniformly charged thin spherical shell. Capacitance; Parallel  plate capacitor with and without dielectrics; Capacitors in series and  parallel; Energy stored in a capacitor. Electric current; Ohm’s law;  Series and parallel arrangements of resistances and cells; Kirchhoff’s  laws and simple applications; Heating effect of current. Biot–Savart’s  law and Ampere’s law; Magnetic field near a current-carrying straight  wire, along the axis of a circular coil and inside a long straight  solenoid; Force on a moving charge and on a current-carrying wire in a  uniform magnetic field. Magnetic moment of a current loop; Effect of a  uniform magnetic field on a current loop; Moving coil galvanometer,  voltmeter, ammeter and their conversions. Electromagnetic induction:  Faraday’s law, Lenz’s law; Self and mutual inductance; RC, LR and LC  circuits with d.c. and a.c. sources.

Optics

Rectilinear  propagation of light; Reflection and refraction at plane and spherical  surfaces; Total internal reflection; Deviation and dispersion of light  by a prism; Thin lenses; Combinations of mirrors and thin lenses;  Magnification. Wave nature of light: Huygen’s principle, interference  limited to Young’s double-slit experiment.

Modern physics

Atomic  nucleus; Alpha, beta and gamma radiations; Law of radioactive decay;  Decay constant; Half-life and mean life; Binding energy and its  calculation; Fission and fusion processes; Energy calculation in these  processes. Photoelectric effect; Bohr’s theory of hydrogen-like atoms;  Characteristic and continuous X-rays, Moseley’s law; de Broglie  wavelength of matter waves.