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 with frequency would complete one vibration in:	A. f seconds B. 1/f seconds C. 1 second D. f²second
2	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
3	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
4	The unit of spring constant is	A. J-sec B. Metre C. Nm^-1 D. None of these
5	The restoring force is ______ amd 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
6	The string of a simple pendulum should be:	A. Heavy B. Extensible C. In-extensible D. None of these
7	The wave form of SHM is	A. Pulsed wave B. Square wave C. Triangular waved D. Sine wave
8	If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:	A. 2500 MHz B. 0.25 MHz C. 2500 KHz D. None of these
9	SHM is type of ______ motion	A. Vibratory B. Linear C. Circular D. None
10	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