ECAT Pre Computer Science Chapter 8 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 8 Waves

Try The MCQ's Test For ECAT Physics Chapter 8 Waves

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ECAT Physics Chapter 8 Waves

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Question # 1

The instantaneous velocity of a body moving along a circle is directed

Question # 2

If a wave can be polarized, it must be

Question # 3

The portion of the water above its mean level forms a:

Question # 4

The vibrations of factory floor caused by the running of heavy machinery is an example of

Question # 5

When two progressive waves of nearly same frequencies superimpose and give rise to beats, then

Question # 6

An object undergoes S.H.M has maximum acceleration when its displacement form the means position

Question # 7

The waves which propagate out in space due to oscillation of electric and magnetic fields are known as

Question # 8

Si units of time period is

Question # 9

What is frequency of radio waves transmitted by a station, if the wavelength of those waves is 300 m?

Question # 10

Which one is not produced by sound waves in air?

Question # 11

When a wave is travels from one place to another, it transfers:

Question # 12

If the time period a simple pendulum is 2 s, its frequency would be

Question # 13

The phase determines the

Question # 14

The weight 'mg' of the bob is resolved into

Question # 15

If the external driving force is periodic with a period compareable to the natural period of the oscillator, then we get

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 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
2 Of the following, the option ______ reminds of longitudinal waves.
A. Sound waves
B. Heat waves
C. Electromagnetic waves
D. Light waves
3 Smaller the damping, greater will be the
A. frequency
B. wavelength
C. amplitude
D. none of them
4 Angular frequency 'w' is basically a characteristics of
A. linear motion
B. circular motion
C. both of them
D. none of them
5 Crests and troughs are formed in:
A. Longitudinal waves
B. Transverse waves
C. Both of these
D. None of these
6 In case of mechanical waves, we study the motion of
A. a single particle
B. collection of particle
C. any one of them
D. none of them
7 The temperature at which the speed of sound becomes double as was at 27°C is
A. 273°C
B. 0°C
C. 927°C
D. 1027°C
8 A swing has
A. one natural frequency
B. two natural frequencies
C. three natural frequencies
D. four natural frequencies
9 The time period of pendulums of different lengths would be
A. same
B. different
C. both of them
D. none of them
10 If a wave can be polarized, it must be
A. An electromagnetic wave
B. A longitudinal wave
C. A progressive wave
D. A transverse wave

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