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…
7 years ago
AIPMT2012M
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…
7 years ago
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.…
7 years ago
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…
7 years ago
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,…
7 years ago
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.…
7 years ago
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…
7 years ago
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…
7 years ago
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…
7 years ago
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…
7 years ago