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

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

Question # 2

The principle of superposition states that

Question # 3

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

Question # 4

Which of the following does not exhibit S.H.M?

Question # 5

When the bob of simple pendulum is at mean position, its K.E will be

Question # 6

The distance covered by the wave in one second is:

Question # 7

The maximum displacement of a body on either side of its equilibrium position is called

Question # 8

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

Question # 9

The waves produced in a microwave oven have wavelength.

Question # 10

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

Question # 11

Of the following, the option ______ reminds of longitudinal waves.

Question # 12

If one end of a rubber cord is fixed with a support and the other end is wiggled by hand, the waves generated on the card are:

Question # 13

Angular frequency 'w' is basically a characteristics of

Question # 14

The time required to complete on vibration is called

Question # 15

Two sound waves of slightly different frequencies propagating in the same direction produce beats due to

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 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
2 Fluids can transmit:
A. Transverse wave
B. Compressional wave
C. Both of them
D. None of them
3 Which type of wave can be set up in solids
A. longitudinal waves
B. transverse waves
C. both of them
D. none of them
4 When the particles of the medium vibrate about their mean position, along the direction of the motion of waves, then the waves are called:
A. Longitudinal waves
B. Transverse waves
C. Water waves
D. Complex waves
5 If F=0.04 N and X=4 cm then K=
A. 1 Nm-1
B. 2 Nm-1
C. 3 Nm-1
D. 4 Nm-1
6 When a mass 'm' is pulled slowly through a distance 'xo' , the elastic potential energy of the spring would be
A. P.E=Kx2o
B. P.E= 1/2kxo
C. P.E=1/2Kx2o
D. P.E=Kx2o
7 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
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 Associated with the motion of a driven harmonic oscillator, there is a very striking phenomenon, know as
A. waves
B. beat
C. interference
D. resonance
10 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

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