(A) Refraction
(B) Polarization
(C) Reflection
(D) Diffraction
Beats are the results of?
(A) Constructive interference
(B) Destructive interference
(C) Constructive and Destructive interference
(D) Diffraction
Among following which is not electromagnetic in nature?
(A) Beta rays
(B) Infrared rays
(C) Ultraviolet rays
(D) Gamma rays
The time required for a current to be established in a circuit depends upon the?
(A) Applied potential difference
(B) Magnitude of the current
(C) Inductance only
(D) The inductance and resistance
A dynamo is often set to generate electricity, it actually acts as the source of?
(A) Electrons
(B) EMF
(C) Charge
(D) Magnetic field
Lenz’s law is a consequence of the law of conservation of?
(A) Energy
(B) Charge
(C) Momentum
(D) Lines of force energy
The fact than an electric field is produced in a conductor whenever magnetic lines of force moves across it is referred to as?
(A) Ohm’s law
(B) Lenz’s law
(C) Ampere’s law
(D) Faraday’s law
The time required for a charge particle to make a complete revolution in a magnetic field does not depend upon?
(A) The magnetic field
(B) Its charge
(C) Its energy
(D) Its mass