ECAT Pre Computer Science Chapter 8 MCQ Test With Answer

Top Scorers Of ECAT Physics Chapter 8 Waves MCQ`s Test

Sr.#	Question	Answer
1	If F=0.04 N and X=4 cm then K=	A. 1 Nm^-1 B. 2 Nm^-1 C. 3 Nm^-1 D. 4 Nm^-1
2	The example of mechanical wave is	A. waves in ropes B. waves on water surface C. waves in air D. all of them
3	Sound waves in air always	A. Longitudinal B. Transverse C. Stationary D. Electromagnetic
4	Smaller the damping, the resonance will be	A. more flat B. more sharp C. both of them D. none of them
5	Which of the following medium/media can transmit both transverse and longitudinal waves:	A. Solids B. Liquids C. Gases D. All of them
6	The bob of a simple pendulum is suspended by	A. string B. heavy inextensible string C. light extensible string D. light inextensible string
7	The time period of pendulums of different lengths would be	A. same B. different C. both of them D. none of them
8	The square of 0.4 is:	A. Greater than 0.4 B. Smaller than 0.4 C. Equal to 0.4 D. None of them
9	Two sources of sound are said to be coherent if	A. The produce sounds of equal intensity B. They produce sounds of equal frequency C. They produce sound waves vibrating with the same phase D. They produce sound waves with zero or constant phase difference all instant of time
10	Which one of the following is an example of resonance	A. swing B. tuning a radio C. microwave oven D. all of them