Physics
Course Contents
Angular displacement, angular velocity and angular acceleration, Relation between linear and angular variables, Centripetal acceleration and centripetal force, Centrifugal force, Conical pendulum, Motion in a vertical circle, Applications of banking.
Newton’s law of gravitation, Gravitational field strength, Gravitational potential; Gravitational potential energy, Variation in value of ‘g’ due to altitude and depth, Centre of mass and center of gravity, Motion of a satellite: Orbital velocity and time period of the satellite, Escape velocity, Potential and kinetic energy of the satellite, Geostationary satellite, GPS
Hooke’s law: Force constant, Stress; Strain; Elasticity and plasticity, Elastic modulus: Young modulus, bulk modulus, shear modulus, Poisson’s ratio, Elastic potential energy.
Molecular concept of thermal energy, heat and temperature, and cause and direction of heat flow, Meaning of thermal equilibrium and Zeroth law of thermodynamics., Thermal equilibrium as a working principle of mercury thermometer.
Linear expansion and its measurement, Cubical expansion, superficial expansion and its relation with linear expansion, Liquid Expansion: Absolute and apparent, Dulong and Petit method of determining expansivity of liquid
Newton’s law of cooling, Measurement of specific heat capacity of solids and liquids, Change of phases: Latent heat, Specific latent heat of fusion and vaporization, Measurement of specific latent heat of fusion and vaporization, Triple point
Conduction: Thermal conductivity and measurement, Convection, Radiation: Ideal radiator, Black- body radiation, Stefan – Boltzmann law.
Ideal gas equation, Molecular properties of matter, Kinetic-molecular model of an ideal gas, Derivation of pressure exerted by gas, Average translational kinetic energy of gas molecule, Boltzmann constant, root mean square speed, Heat capacities: gases and solids.
Laws of refraction: Refractive index, Relation between refractive indices, Lateral shift, Total internal reflection.
Minimum deviation condition, Relation between Angle of prism, minimum deviation and refractive index, Deviation in small angle prism.
Pure spectrum and dispersive power, Chromatic and spherical aberration, Achromatism and its applications
Electric charges, Charging by induction, Coulomb’s law- Force between two point charges, Force between multiple electric charges.
Electric field due to point charges; Field lines, Gauss Law: Electric Flux, Application of Gauss law: Field of a charge sphere, line charge, charged plane conductor
Potential difference, Potential due to a point, Charge, potential energy, electron volt, Equipotential lines and surfaces, Potential gradient
Capacitance and capacitor, Parallel plate capacitor, Combination of capacitors, Energy of charged capacitor, Effect of a dielectric Polarization and displacement.
Electric Currents; Drift velocity and its relation with current, Ohm’s law; Electrical Resistance; Resistivity; Conductivity, Current-voltage relations; Ohmic and Non-Ohmic resistance, Resistances in series and parallel, Potential divider, Electromotive force of a source, internal resistance, Work and power in electrical circuits
Nucleus: Discovery of nucleus, Nuclear density; Mass number; Atomic number, Atomic mass; Isotopes, Einstein’s mass-energy relation, Mass Defect, packing fraction, BE per nucleon, Creation and annihilation, Nuclear fission and fusion, energy released
Energy bands in solids (qualitative ideas), Difference between metals, insulators and semi-conductors using band theory, Intrinsic and extrinsic semi-conductors