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

Which of the following is an example of a S.H.M?

Question # 2

transverse wave motion is possible in:

Question # 3

The waves produced in a microwave oven have wavelength.

Question # 4

If the length of second pendulum becomes four times then its time period will become

Question # 5

With the propagation of a longitudinal wave through a material medium, the quantities transmitted in the propagation direction are

Question # 6

The vibratory or oscillatory motion of a body is

Question # 7

The square of 0.4 is:

Question # 8

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

Question # 9

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

Question # 10

The force which opposes the applied force producing the displacement in the spring is called

Question # 11

The distance covered by the wave during one period is called its:

Question # 12

The example of mechanical wave is

Question # 13

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

Question # 14

Which of the following is the longitudinal waves?

Question # 15

Example of progressive wave is

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 The weight 'mg' of the bob is resolved into
A. one component
B. two components
C. three components
D. four components
2 It two waves of amplitude 'a' produce a resultant wave of amplitude a, then the phase difference between them will be
A. 60°
B. 90°
C. 120°
D. 180°
3 While describing the motion of a simple pendulum, the frictional effects are
A. taken into account
B. completely ignored
C. partially ignored
D. none of them
4 When a body is performing S.H.M., its acceleration is
A. inversely proportional to the displacement
B. directly proportional to the applied force
C. directly proportional to the amplitude
D. directly proportional to the displacement but in opposite direction
5 If the amplitude of sound is doubled and the frequency reduced to one-fourth, the intensity of sound at the same point will be
A. Increasing by a factor of 2
B. Decreasing by a factor of 2
C. Decreasing by a factor of 4
D. Unchanged
6 Which waves are used in sonography?
A. Microwaves
B. Infra red waved
C. Sound waves
D. Ultrasonic waves
7 Mechanical waves on the surface of a liquid are
A. Transverse
B. Longitudinal
C. Torsional
D. both transverse and longitudinal
8 The waves produced in a microwave oven have wavelength.
A. 12 mm
B. 12 cm
C. 12 m
D. 12 mm
9 If the length of a simple pendulum is 0.25 m its time period would be
A. 1.0 s
B. 2.0 s
C. 3.0 s
D. 4.0 s
10 Such oscillations in which the amplitude decreases steadily with time, are called
A. resonance
B. force oscillations
C. large oscillations
D. damped oscillations

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