ECAT Pre Engineering Physics Chapter 7 MCQ Test With Answer

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

Sr.#	Question	Answer
1	A body of mass 0.031 kg attached to one end of a spring of spring constant 0.3 N/m, then time period of spring mass system will be:	A. 1.5 sec B. 2.0 sec C. 2.3 sec D. 2.5 sec
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	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
4	The time period of a simple pendulum is independent of its:	A. Length B. Mass C. Value of g D. Both A and B
5	In vibrational motion(SHM)	A. P.E remains conserved B. Average K.E remain constant C. Neither P.E nor K.E remains constant D. Total energy remains constant
6	Hertz is unit of:	A. Time period B. Displacement C. Amplitude D. Frequency
7	If time period of a pendulum is doubled by increasing its length, then its frequency will	A. Also be doubled B. Become half C. Become one fourth D. Becomes four times
8	The maximum distance of body from mean position when body is executing SHM is called	A. Time period B. Displacement C. Amplitude D. Frequency
9	Velocity of particle executing SHM will be maximum at	A. Extreme position B. Mean position C. b/w mean and extreme D. None
10	The time taken to complete one vibration is called:	A. Frequency B. Amplitude C. Time D. Time period