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 total energy of spring mass system is

Question # 2

Which type of wave can be set up in solids

Question # 3

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

Question # 4

The speed of sound in a medium depends on

Question # 5

When a body moves to and fro motion, this type of motion is called

Question # 6

The resonance will be sharp, if the amplitude decreases rapidly at a frequency

Question # 7

Time period of a simple pendulum depends upon the

Question # 8

Associated with the motion of a driven harmonic oscillator, there is a very striking phenomenon, know as

Question # 9

In stationary waves

Question # 10

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

Question # 11

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

Question # 12

The time period of pendulums of different lengths would be

Question # 13

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

Question # 14

The instantaneous velocity of a body moving along a circle is directed

Question # 15

Energy is not carried by

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 Wave disturbances may also come in a concentrated bundle, like shock wave from an aeroplane flying at
A. subsonic speed
B. sonic speed
C. super sonic speed
D. any one of them
2 In the same medium, velocity of the wave:
A. Goes on increasing
B. Remains constant
C. Goes on decreasing
D. None of these
3 The damping depends upon the
A. amplitude
B. sharpness
C. both of them
D. none of them
4 Two sources of sound are said to be coherent if
A. The produce sounds of equal intensity
B. They produce sounds of equal frequency
C. They produce sound waves vibrating with the same phase
D. They produce sound waves with zero or constant phase difference all instant of time
5 The principle of superposition states that
A. The total displacement due to several waves is the sum of the displacement due to those waves acting individually
B. Two stationary waves superimpose to give two progressive waves
C. A diffraction pattern consists of many interference patterns superimposed on one another
D. Two progressive waves superimpose to give a stationary wave
6 If the mass of the simple pendulum becomes double, its time period
A. increase
B. decreases
C. remains constant
D. none of them
7 Of the following, the option ______ reminds of longitudinal waves.
A. Sound waves
B. Heat waves
C. Electromagnetic waves
D. Light waves
8 The force which opposes the applied force producing the displacement in the spring is called
A. restoring force
B. periodic force
C. centripetal force
D. resistive force
9 In the resonance condition, the amplitude of the oscillator becomes
A. very large
B. very small
C. zero
D. any one of them
10 A string is stretched between two points and is plucked at right angles to its length, the vibration produced is:
A. Longitudinal wave
B. Transverse wave
C. No vibration at all
D. None of them

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