# WBJEE Physics Syllabus

The details of the WBJEE 2017 syllabus for Physics are given below.

Gravitation: Laws of gravitation, gravitational field and potential, acceleration due to gravity and its variation. Escape velocity, Kepler's laws and planetary motion, motion of satellites and Geostationary orbit.

Elasticity: Hooke's law, elastic modulii, Poisson's ratio and elastic energy.

Mechanics and general properties of matter:

• Units and dimensions: Units of measurement, system of units, fundamental and derived units, S I units and dimensional analysis.

Methods of measurement: Vernier scale, screw gauge, analysis of errors and significant figures.

• Kinematics in one, two and three dimensions, projectiles, uniform circular motion, centripetal force, centrifugal force and relative velocity.
• Scalars and vectors: Addition, subtraction and multiplication of vectors.
• Dynamics: Newton's laws of motion; inertial frames, uniformly accelerated frame (pseudo-forces), conservation of linear momentum, rocket motion, centre of mass, impulsive forces and friction.
• Rotational motion: Torque, angular momentum and conservation of angular momentum, moment of inertia, radius of gyration, moment of inertia of objects with simple geometrical shapes, rotational kinetic energy and rolling on horizontal surface.
• Work, Power and Energy, conservative and non-conservative forces, conservation of energy and collision (elastic and inelastic).

Thermodynamics: First law of thermodynamics, equivalence of heat and work, intensive and extensive thermodynamic variables, reversible and irreversible processes, specific heats of gases and relation between Cp and Cv.

Read: WBJEE Chemistry syllabus

Hydrostatics and Fluid Mechanics: Pressure in a fluid, Pascal's law, Archimedes' principle, hydraulic press. Surface energy, surface tension and capillary rise. Viscosity, streamline and turbulent motion, critical velocity, Reynold's number, Stoke's law and Bernoulli's theorem.

Vibrations: Simple Harmonic Motion, equation of motion, damped and forced vibrations, resonance and superposition of SHM.

Wave motion: Elastic waves, longitudinal and transverse waves, progressive waves, superposition of waves: interference, stationary waves, beats, vibration of strings, air columns, velocity of elastic waves in different media and Doppler effect.

Thermal Physics: Scales of temperature, thermal expansion of solids, liquids and gases, calorimetry, change of state of matter, latent heat and transition temperature. Transmission of heat: conduction, convection, radiation, Black body radiation, absorptive and emissive powers: Kirchoff's law, Wien's law, Stefan's law, Newton's law of cooling. Kinetic theory: mean free path, pressure of an ideal gas, mean and rms velocity of molecules of a Gas, kinetic interpretation of temperature, degrees of freedom, equipartition of energy (statement only) application to mono atomic and diatonic gases.

Electrostatics: Coulomb's law, electric field and potential, flux of electric field, Gauss' law, electric field and potential due to an infinite line charge, charged infinite sheet, solid spheres and spherical shells. Electric dipole and field due to dipole. Capacitance, spherical and parallel plate capacitors, energy stored in a capacitor, series and parallel combination of capacitors.

Optics: Reflection and refraction at plane and spherical surfaces, total internal reflection, thin lenses, power of a lens, combination of lenses and mirrors, deviation and dispersion by prisms, Simple and compound microscopes, astronomical telescope, human eye: defects and remedies. Coherent sources, interference of light, Young's double slit.

Current Electricity: Electric current, drift velocity and mobility. Ohm's law, resistivity, combination of resistances in series and parallel and combination of cells. Kirchoffs laws, Wheat stone bridge, Metre bridge and potentiometer. Heating effect of current, thermoelectricity, see beck and Peltier effect. Chemical effect of current, Faraday's law of electrolysis, primary and secondary cells.

Modern Physics: Bohr's atomic model for hydrogen like atom, hydrogen spectrum, x-ray emission, Moseley's law, wave particle duality, de Broglie's hypothesis, photo-electric effect . Constituents of atoms, isotopes, mass defect, mass-energy equivalence and binding energy. Radioactivity - a, ß, ? radiation, half life, mean life, fission and fusion. Energy bands in solids, intrinsic and doped semiconductors, p-n junction diode, rectifier, pnp and npn transistors and common emitter characteristics.

Binary number, AND, OR, NOT, NAND and NOR gates.

Read: WBJEE Mathematics Syllabus

Electromagnetism: Magnetic effects of Current, Biot Savart's law, magnetic field due to an infinite line charge, circular coil and solenoid, Ampere's circuital law, Lorentz force. Fleming's left hand rule, force between two current carrying conductors, magnetic moment of a current loop and magnetic dipole. Torque experienced by a current carrying coil in a uniform magnetic field, galvanometer, current sensitivity, conversion of galvanometer to voltmeter and ammeter.

Magnetic field of earth, tangent galvanometer, magnetic properties of materials: Dia, para and ferromagnet, permeability, susceptibility.

Electromagnetic induction: Magnetic flux, Faraday's laws of electromagnetic induction, Lenz's law, self and mutual induction, Flemings right hand rule, Alternating current, peak and rms value of alternating current; generator, D.C. motor and transformer.

Qualitative idea of electromagnetic wave and its spectrum.

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