List of top Questions asked in GAT-B- 2023

A pseudoplastic fluid is best characterized by
The electric field due to a dipole along the line passing through its midpoint and perpendicular to its axis is proportional to
The moment of inertia of a uniform hollow sphere about its diameter is
A wedge of $60^\circ$ representing one sixth portion of a circular disc of mass $M$ and radius $R$ is cut. It is rotated about a line perpendicular to its plane and passing through the centre of the original disc. Its moment of inertia about the axis of rotation is:
Two sources are called coherent if they produce waves
A satellite is revolving around the Earth at some height $(h)$. If $R$ is the radius of orbit, then the time period of satellite is proportional to
The mean square speed $(\langle v^2 \rangle)$ of the molecules of a gas at absolute temperature $T$ is proportional to
The potential energy $U(r)$ of two point charges at a distance of $r$ is proportional to
Which one of the following is the working principle behind optical fibers?
What type of modulation is used in television transmission?