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

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

Question # 2

In vibrational motion(SHM)

Question # 3

To and fro motion of a body is about its mean position is known as:

Question # 4

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

Question # 5

The number of vibration in two seconds can be expressed as
______ of frequency of vibration is f:

Question # 6

When a body is vibrating, the displacement from mean position

Question # 7

Which one of the following is an example of SHM:

Question # 8

Distance covered during one vibration of an oscillating body in terms of amplitude A is:

Question # 9

If a force of 0.05 N produces an elongation of 20 mm in string, then its spring constant will be:

Question # 10

The displacement of body executing SHM is

Question # 11

The maximum distance of body from mean position when body is executing SHM is called

Question # 12

An oscillating body oscillates due to:

Question # 13

Free oscillations are always produced by:

Question # 14

Velocity of particle executing SHM will be maximum at

Question # 15

The graph showing the variation of displacement with time is a:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 A particle executes SHM with frequency. The frequency with which its K.E oscillates is
A. f/2
B. 2f
C. f
D. 4f
2 The graph showing the variation of displacement with time is a:
A. Sine curve
B. Straight line
C. Parabola
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 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
5 Distance covered during one vibration of an oscillating body in terms of amplitude A is:
A. A
B. 2 A
C. 3 A
D. 4 A
6 The SI unit of spring constant is identical with that of:
A. Force
B. Surface tension
C. Pressure
D. Loudness
7 Vibratory motion is always under
A. Applied force
B. Restoring force
C. Periodic force
D. Gravitational force
8 To and from motion of a body about its mean position is known as:
A. Translatory motion
B. Vibratory motion
C. Rotatory motion
D. None of these
9 Amplitude in SHM is equivalent to ______ in circular motion
A. Diameter
B. Radius
C. Circumference
D. None of these
10 A body with frequency would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second

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