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 wave form of S.H.M will be

Question # 2

Which of the following is/are example/s if mechanical waves i.e. waves generated in _______:

Question # 3

Energy is dissipated and consequently the energy mass system do not oscillate indefinitely because of

Question # 4

The vibratory motion of a body whose magnitude of acceleration is directly proportional to the magnitude of its displacement and is always directed towards the equilibrium position is called

Question # 5

In compressional wave,the layer of medium having reduced pressure is called:

Question # 6

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

Question # 7

At a certain instant a stationary transverse wave is found to have maximum kinetic energy. The appearance of string of that instant is

Question # 8

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

Question # 9

Which one of the following wave motions is transverse:

Question # 10

There is no net transfer of energy by particle of medium in

Question # 11

Energy is not carried by

Question # 12

The expression of Hook's law is

Question # 13

The square of 0.4 is:

Question # 14

If the amplitude of sound is doubled and the frequency reduced to one-fourth, the intensity of sound at the same point will be

Question # 15

The weight 'mg' of the bob is resolved into

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 Angular frequency 'w' is basically a characteristics of
A. linear motion
B. circular motion
C. both of them
D. none of them
2 When temperature increase, the frequency of a tuning fork
A. Increases
B. Decreases
C. Remains same
D. Increase or decreases depending on the material
3 The waves produced in a microwave oven have wavelength.
A. 12 mm
B. 12 cm
C. 12 m
D. 12 mm
4 Resonance occurs when one of the natural frequencies of vibration of the forced or driven harmonic oscillator
A. greater than the frequency of applied force
B. equal to the frequency of applied force
C. less than the frequency of applied force
D. all of them
5 Example of progressive wave is
A. transverse waves
B. longitudinal waves
C. both of them
D. none of them
6 The waves moving from a sitar to a listener in air are
A. Longitudinal progressive
B. Longitudinal stationary
C. Transverse progressive
D. Transverse stationary
7 Time period of simple pendulum is independent of
A. length
B. mass
C. acceleration due to gravity
D. none of them
8 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
9 A simple pendulum consists of a
A. small light bob
B. small heavy bob
C. big light bob
D. big heavy bob
10 With the propagation of a longitudinal wave through a material medium, the quantities transmitted in the propagation direction are
A. Energy, momentum and mass
B. Energy
C. Energy and mass
D. Energy and linear momentum

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