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	The waves produced in a microwave oven have frequency	A. 2450 Hz B. 2450 K Hz C. 2450 M Hz D. 2450 G Hz
2	A heavily damped system has a fairly	A. sharp resonance curve B. flat resonance curve C. both of them D. none of them
3	When temperature increase, the frequency of a tuning fork	A. Increases B. Decreases C. Remains same D. Increase or decreases depending on the material
4	In the resonance condition, the amplitude of the oscillator becomes	A. very large B. very small C. zero D. any one of them
5	The distance covered by the wave during one period is called its:	A. Wave number B. Frequency C. Wavelength D. Time period
6	The waves in which the particles of the medium have displacement along the direction of propagation of waves are called	A. longitudinal waves B. transverse waves C. non-mechanical waves D. none of them
7	Crests and troughs are formed in:	A. Longitudinal waves B. Transverse waves C. Both of these D. None of these
8	Energy is dissipated and consequently the energy mass system do not oscillate indefinitely because of	A. very small energy B. very large energy C. frictional forces D. acceleration due to gravity
9	When the bob of simple pendulum is at mean position, its K.E will be	A. maximum B. minimum C. zero D. all of them
10	When a body moves to and fro motion, this type of motion is called	A. translatory motion B. circular motion C. oscillatory motion D. all of them