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	The number of "Earth Stations" which transmit signals to satellites and receive signals fro them are	A. 3 B. 24 C. 126 D. 200
2	The number of countries who manage the largest satellite system is:	A. 3 B. 24 C. 126 D. 200
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	The useful unit of the angular displacement in SI unit is:	A. Degree B. Revolution C. Radian D. Metre
5	The rear wheels of an automobile are rev/sec which is reduced to 38 rad/sec in 5 seconds when brakes are applied. Its angular acceleration is:	A. 5 rad/sec² B. -10 rav/sec² C. -10 rad/sec² D. -5 rav/sec²
6	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
7	INTELSAT operates at frequencies 4, 6, 11, 14 having unit of:	A. KHz B. MHz C. GHz D. BHz
8	Centripetal acceleration is also called _______ acceleration:	A. Tangential B. Radial C. Angular D. None of them
9	Direction of motion _________ in circular motion	A. Changes off and on B. Changes continously C. Does not change D. None of them
10	One radian is:	A. Greater than one degree B. Less than one degree C. Equal to one degree D. None of them