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	Vibratory motion is always under	A. Applied force B. Restoring force C. Periodic force D. Gravitational force
2	The number of vibration in two seconds can be expressed as ______ of frequency of vibration is f:	A. f B. 2 f C. 3 f D. 1/2 f
3	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
4	If a mass of 10 gm is suspended from a spring of k = 9.8 Nm^-1, then the extension will be:	A. 1 cm B. 1 m C. 10 mm D. None of these
5	Amplitude in SHM is equivalent to ______ in circular motion	A. Diameter B. Radius C. Circumference D. None of these
6	The SI unit of spring constant is identical with that of	A. Force B. Surface tension C. Pressure D. Loudness
7	Free oscillations are always produced by:	A. An applied force B. Gravitational force C. Restoring force and inertia D. Inertia only
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	If a given spring of spring constant K is cut into two identical segments, the spring constant of each segment is:	A. K/2 B. 2 K C. 4 K D. None of these
10	The restoring force is _____ and opposite to the applied force within ______,:	A. Equal, elastic limit B. Different, the walls of the laboratory C. Different, elastic limit D. None of these