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

It is possible to recognize a person by hearing his voice even if he is hidden behind a solid wall. This is due to the fact that his voice

Question # 3

An object undergoes S.H.M has maximum speed when its displacement from the mean position is

Question # 4

Laplace formula is derived from

Question # 5

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

Question # 6

The velocity of sound in air not effected by changes in

Question # 7

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

Question # 8

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

Question # 9

Which type of wave can be set up in solids

Question # 10

The weight 'mg' of the bob is resolved into

Question # 11

When temperature increase, the frequency of a tuning fork

Question # 12

The waves which propagate through the oscillations of material particles are known as:

Question # 13

A traveling wave has a shape of:

Question # 14

The principle of superposition states that

Question # 15

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

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 The waves in which the particles of the medium are displaced in a direction perpendicular to the direction of propagation of waves are known as
A. longitudinal waves
B. transverse waves
C. non-mechanical waves
D. none of them
2 A wave, which transfer energy by moving away from the source of disturbance is called a
A. progressive wave
B. travelling wave
C. both of them
D. none 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 The phase determines the
A. displacement
B. amplitude
C. frequency
D. state of motion of vibrating body
5 Angular frequency 'w' is basically a characteristics of
A. linear motion
B. circular motion
C. both of them
D. none of them
6 Fidelity refers to
A. Reproduction of original sound
B. Reproduction of original image
C. Reproduction of music
D. Reproduction of a CD from original copy
7 Smaller the damping, greater will be the
A. frequency
B. wavelength
C. amplitude
D. none of them
8 If two waves of length 50 cm and 51 cm produced 12 beats per second, the velocity of sound is
A. 360 m/s
B. 306 m/s
C. 331 m/s
D. 340 ms
9 Which of the following is an example of a S.H.M?
A. motion of a projectile
B. motion of a train along a circular path
C. motion of swing
D. electrons revolving sound the nucleus
10 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

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