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

If the length of a simple pendulum is 0.25 m its time period would be

Question # 2

Which of the following medium/media can transmit both transverse and longitudinal waves:

Question # 3

When half of the cycle of a body executing S.H.M is completed, then the phase of the vibration will be

Question # 4

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

Question # 5

Ultra-violet rays differ from X-rays in that they

Question # 6

The vibratory or oscillatory motion of a body is

Question # 7

transverse wave motion is possible in:

Question # 8

The restoring force always directed towards the

Question # 9

In the same medium, velocity of the wave:

Question # 10

The time required to complete on vibration is called

Question # 11

In transverse waves, the individual particles of the medium move:

Question # 12

Time period of simple pendulum is independent of

Question # 13

Wave disturbances may also come in a concentrated bundle, like shock wave from an aeroplane flying at

Question # 14

The velocity of sound at same temperature is maximum in

Question # 15

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

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 Fluids can transmit:
A. Transverse wave
B. Compressional wave
C. Both of them
D. None of them
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 The waves which propagate out in the space due to oscillations of electric and magnetic fields are called:
A. Mechanical waves
B. Electromagnetic waves
C. Matter waves
D. All of them
4 A string is stretched between two points and is plucked at right angles to its length, the vibration produced is:
A. Longitudinal wave
B. Transverse wave
C. No vibration at all
D. None of them
5 The damping depends upon the
A. amplitude
B. sharpness
C. both of them
D. none of them
6 Example of vibratory motion is
A. mass suspended from a spring
B. a bob of simple pendulum
C. mass attached to a spring placed
D. all of them
7 The total energy of spring mass system is
A. zero
B. changing with time
C. constant
D. none of them
8 Mechanical waves on the surface of a liquid are
A. Transverse
B. Longitudinal
C. Torsional
D. both transverse and longitudinal
9 In solids, only following type/s of wave can travel:
A. Transverse
B. Longitudinal
C. Both A and B
D. None of them
10 Ultra-violet rays differ from X-rays in that they
A. Cannot be diffracted
B. Cannot be polarized
C. Have a lower frequency
D. Are deviated when they pass through a magnetic field

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