ECAT Pre Engineering Physics Chapter 5 MCQ Test With Answer

Top Scorers Of Physics ECAT Pre Engineering Chapter 5 Circular Motion MCQ`s Test

Sr.#	Question	Answer
1	Which of the following pairs does not have identical dimensions?	A. Torque and energy B. Energy and work C. Momentum and impulse D. Mass and moment of inertia
2	Centripetal acceleration is also called ________ acceleration	A. Tangential B. Radial C. Angular D. None of these
3	Radian is defined as the angle subtended at the center of a circle by an arc of:	A. Length equal to its diameter B. Length equal to its radius C. Any length D. None of these
4	Angular velocity is a:	A. Scalar quantity B. Vector quantity C. Complex quantity D. None of these
5	Formula for calculating moment of inertia of the bodies of one pair is same. Tick the answer.	A. Disc, sphere B. sphere, hoop C. Thin rod, hoop D. Hoop,disc
6	One radian is:	A. Greater than one degree B. Less than one degree C. Equal to degree D. none of these
7	INTELSAT operates at frequencies 4, 6, 11, 14 having unit of	A. KHz B. MHz C. GHz D. BHz
8	A rotating body tends to be slower, when its angular acceleration is:	A. Positive B. Negative C. Zero D. Infinity
9	If a gymnast sitting on a rotating stool with his arms outstretched, brings his arms towards the chest, then its angular velocity will	A. Increase B. Decrease C. Remain constant D. None of these
10	In case of planets, the necessary acceleration is provided by:	A. Gravitational force B. Coulomb force C. Frictional force D. None of these