Posts

Definition and derivation of the phase velocity and group velocity of wave

Product of phase velocity and group velocity is equal to square of speed of light

Energy distribution spectrum of black body radiation

Derivation of torque on an electric dipole in an uniform and a non-uniform electric field

Electric Dipole and Derivation of Electric field intensity at different points of an electric dipole

Definition and Expression of escape velocity of an object on the planet

Numerical Problems and Solutions of Centripetal Force and Centripetal Acceleration

Variation of Acceleration Due to Gravity

Total energy of an orbiting Satellite and its Binding Energy

Expression for Orbital velocity of Satellite and Time Period