AIPMT2012M

The ratio of amplitude of magnetic field to the amplitude of electric field for

The ratio of amplitude of magnetic field to the amplitude of electric field for an electromagnetic wave propagating in vacuum…

Three masses are placed on the x-axis : 300 g at origin, 500 g at x = 40 cm

Three masses are placed on the x-axis : 300 g at origin, 500 g at x = 40 cm and…

A proton carrying 1 MeV kinetic energy is moving in a circular path of radius

A proton carrying 1 MeV kinetic energy is moving in a circular path of radius R in uniform magnetic field.…

A magnetic needle suspended parallel to a magnetic field requires √3J of work

A magnetic needle suspended parallel to a magnetic field requires √3 J of work to turn it through 60⁰. The…

If vₑ is escape velocity and vₙ is orbital velocity of a satellite

If vₑ is escape velocity and v(o) is orbital velocity of a satellite for orbit close to the earth's surface,…

A train moving at a speed of 220 ms⁻¹ towards a stationary object

A train moving at a speed of 220 ms⁻¹ towards a stationary object, emits a sound of frequency 1000 Hz.…

A parallel plate capacitor as a uniform electric field E in the space between the plates

A parallel plate capacitor as a uniform electric field E in the space between the plates. If the distance between…

Two metallic spheres of radii 1 cm and 3 cm are given charges of -1 x 10⁻² C

Two metallic spheres of radii 1 cm and 3 cm are given charges of -1 x 10⁻² C and 5…

The input resistance of a silicon transistor is 100 W. Base current is changed

The input resistance of a silicon transistor is 100 W. Base current is changed by 40 µA which results in…

Two radiations of photons energies 1 eV and 2.5 eV, successively

Two radiations of photons energies 1 eV and 2.5 eV, successively illuminate a photosensitive metallic surface of work function 0.5…