Lecturer Physics Test 7 Online Preparation MCQs Past Papers

In SI units, a day consists of:

Which property of light waves does not vary with the medium?

The Coulomb (C) is the SI derived unit of:

What are the dimensions of electric constant (∈0)? (It is also called perimttivity of free space):
(a) Q2 M−2 L−2 T−2
(b) Q−2 M−2 L−1 T−3
(c) Q M−1 L−3 T−1
(d) Q2 M−1 L−3 T−2

The SI unit for force is:

The dimensions of Coulomb constant (k) are:
(a) Q−1 M−2 L−2 T−2
(b) Q−2 M L3 T−1
(c) Q−1 ML2 T−2
(d) Q−2 ML−3 T−2

Relative to the original photon, the photon that emerges from a collision with an electron has:

The unit for indicating mass on an atomic or molecular scale is:

Beats are the results of:

Which is the complementary colour of orange?

Which of the following is not electromagnetic in nature?

A dynamo is often set to generate electricity. It is actually acts as a source of:

Wavelength of a LASER can be used as a standard of:

The fact that an electric field is produced in a conductor whenever magnetic lines of force move across it is referred to as :

The SI unit for frequency is:

Which of the following waves cannot be polarized?

Longitudinal waves do not exhibit:

Which of the following is SI base unit for temperature?

The tonne (t) is a unit of mass equal to:

The time required for a current to be established in a circuit depends upon:

Electromagnetic waves are produced by:

A crucial experiment that led to the theory of relativity was performed by:

Lenz’s law is a consequence of the law of conservation:

An observer moves past a stationary electron on the earth’s surface. His instrument measure:

Debye (D) is a CGS unit of: