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	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
2	The restoring force is always directed towards:	A. Rest position B. Equilibrium position C. Mean position D. All of them
3	Vibratory motion is always under	A. Applied force B. Restoring force C. Periodic force D. Gravitational force
4	If a given spring of spring constant k is cut into two indentical segments, the spring constant of each segment is:	A. k/2 B. 2 k C. 4 k D. None of these
5	Second's pendulum is the pendulum whose time period is:	A. 1 second B. 2 second C. 3 second D. None of these
6	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
7	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
8	If a force of 0.05 N produces an elongation of 20 mm in a 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
9	The SI unit of spring constant is identical with that of	A. Force B. Surface tension C. Pressure D. Loudness
10	A particle is moving along a circular path with uniform speed. Its projection will execute ___along the _____ of the circle:	A. Circular motion, circumference B. Vibratory, chord C. SHM, diameter D. SHM, circumference