ECAT Pre Computer Science Chapter 7 MCQ Test With Answer

Top Scorers Of ECAT Physics Chapter 7 Oscillations MCQ`s Test

Sr.#	Question	Answer
1	Distance covered during one vibration of an oscillating body in terms of amplitude A is:	A. A B. 2 A C. 3 A D. 4 A
2	If a force of 0.05 N produces an elongation of 20 mm in string, then its spring constant will be:	A. 250 N m^-1 B. 25 N m^-1 C. 2.5 N m^-1 D. None of these
3	The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.	A. f B. 2 f C. 3 f D. 1/2 f
4	The restoring force is ______ and opposite tot he applied force within ______	A. Equal, Elastic limit B. Different, The walls of the laboratory C. Different, Elastic limit D. None of these
5	An object undergoes SHM. Its maximum equilibrium positions:	A. Maximum B. Half of its maximum value C. Zero D. None
6	A particle executes SHM with frequency. The frequency with which its K.E oscillates is	A. f/2 B. 2f C. f D. 4f
7	Velocity of particle executing SHM will be maximum at	A. Extreme position B. Mean position C. b/w mean and extreme D. None
8	The graph showing the variation of displacement with time is a:	A. Sine curve B. Straight line C. Parabola D. None of these
9	An oscillating body oscillates due to:	A. Applied force B. Restoring force C. Frictional force D. None of these
10	The string of a simple pendulum should be:	A. Heavy B. Extensible C. In-extensible D. None of these