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 one of the following could be the frequency of ultraviolet radiation?

Question # 2

The process in which energy is dissipated from the oscillating system is known as

Question # 3

The waves produced in a microwave oven have wavelength.

Question # 4

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

Question # 5

As the bob of the pendulum moves to and fro which of the force is experienced by the bob

Question # 6

When sound waves travel from air to water which of these remains constant?

Question # 7

Resonance occurs when one of the natural frequencies of vibration of the forced or driven harmonic oscillator

Question # 8

Which waves are used in sonography?

Question # 9

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

Question # 10

The vibratory or oscillatory motion of a body is

Question # 11

The principle of superposition states that

Question # 12

The time required to complete on vibration is called

Question # 13

The phase determines the

Question # 14

Such oscillations in which the amplitude decreases steadily with time, are called

Question # 15

If we increase the length of a simple pendulum four times, its time period will become

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 In transverse waves, the individual particles of the medium move:
A. In circles
B. Perpendicular to the direction of level
C. Parallel to the direction of level
D. None of these
2 Which of the following is the longitudinal waves?
A. Sound waves
B. Waves on plucked string
C. Water waves
D. Light waves
3 Which one of the following could be the frequency of ultraviolet radiation?
A. 1.0 x 106Hz
B. 1.0 x 109Hz
C. 1.0 x 1012Hz
D. 1.0 x 1015Hz
4 Which of the following is not mechanical wave?
A. Sound wave
B. Light wave
C.
wave produced in spring
D. None of them
5 A swing has
A. one natural frequency
B. two natural frequencies
C. three natural frequencies
D. four natural frequencies
6 The expression of Hook's law is
A. F=ma
B. F=kx
C. F= -kx
D. -kx=ma
7 The characteristic of a body executing S.H.M is that its acceleration is
A. inversely proportional to displacement
B. directly proportional to displacement
C. independent of displacement
D. equal to zero
8 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
9 Which type of wave can be set up in solids
A. longitudinal waves
B. transverse waves
C. both of them
D. none of them
10 The waves moving from a sitar to a listener in air are
A. Longitudinal progressive
B. Longitudinal stationary
C. Transverse progressive
D. Transverse stationary

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