List of top Physics Questions on Circular motion asked in GAT-B

If a body is performing uniform circular motion with velocity \( v \) and radius \( R \), then identify the true statements from the following:
A. Its velocity \( v \) is constant.
B. Acceleration is always directed towards the centre and its magnitude is \( a = \frac{v^2}{R} \).
C. Angular momentum is constant in magnitude but its direction keeps changing.
D. Angular velocity of the body \( = \frac{v}{R} \). 
Choose the most appropriate answer from the options given below.

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:
In uniform circular motion, which one of the following properties changes with time?
Which one of the following force does not act on a cyclist when he/ she bends on a horizontal turn?
What is the focal length (f) of a combination of lenses (convex and concave) as given below? $f_{1}=30$, $f_{2}=20$
A solid cylinder and a hollow cylinder of the equal radius and mass start rolling down (without slipping) on a fixed inclined plane from rest at the same time at the same height from the ground. Which of the following statements is correct?
A mass of 5 kg is moving along a circular path of radius 1 m. If the mass moves with 300 revolutions per minute, its kinetic energy would be:
A far away object approaches a convergent lens from the left with a uniform speed of $5~m/s$ and stops at the focus. During this time the image on the right moves: