ECAT Pre Computer Science Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 7 Oscillations

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ECAT Physics Chapter 7 Oscillations

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Question # 1

The S.I unit of frequency is

Question # 2

When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:

Question # 3

The restoring force is _____ and opposite to the applied force within ______,:

Question # 4

SHM is type of ______ motion

Question # 5

A body with frequency of would complete one vibration in:

Question # 6

Free oscillations are always produced by:

Question # 7

The unit of spring constant is:

Question # 8

The body oscillates due to _____ accelerates and overshoots the rest position due to______,:

Question # 9

Which of the following is an example of SHM(in ideal situations)

Question # 10

When quarter of a circle is completed, phase of vibration is:

Question # 11

Amplitude in SHM is equivalent to ______ in circular motion

Question # 12

A body of mass 0.031 kg attached to one end of a spring of spring constant 0.3 N/m, then time period of spring mass system will be:

Question # 13

Which one of the following is an example of SHM

Question # 14

If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:

Question # 15

If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Hertz is unit of:
A. Time period
B. Displacement
C. Amplitude
D. Frequency
2 An angle of 180° in circular motion is equivalent to ______ in SHM.
A. Half the vibration
B. One vibration
C. 3/4th of a vibration
D. None of these
3 Velocity of particle executing SHM will be maximum at
A. Extreme position
B. Mean position
C. b/w mean and extreme
D. None
4 The string of a simple pendulum should be:
A. Heavy
B. Extensible
C. In-extensible
D. None of these
5 The number of vibration in two seconds can be expressed as
______ of frequency of vibration is f:
A. f
B. 2 f
C. 3 f
D. 1/2 f
6 Amplitude is the displacement of the vibrating body from:
A. One extreme position to the other extreme position
B. Mean position any one extreme position
C. Both A and B are correct
D. None of these
7 The S.I unit of frequency is
A. Vibrations s-2
B. Ms-1
C. Hertz
D. s-1
8 The SI unit of spring constant is identical with that of
A. Force
B. Surface tension
C. Pressure
D. Loudness
9 To and fro motion of a body is about its mean position is known as:
A. Translatory motion
B. Vibratory motion
C. Rotatory motion
D. None of these
10 Which of the following is an example of SHM(in ideal situations)
A. Motion of simple pendulum
B. Motion of horizontal spring man system
C. Motion of violin string
D. All of these

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