ECAT Pre Engineering Physics Chapter 7 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 7 Oscillations

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 7 Oscillations

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Physics ECAT Pre Engineering Chapter 7 Oscillations

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Question # 1

An object undergoes SHM. Its maximum equilibrium positions:

Question # 2

A body with frequency of would complete one vibration in:

Question # 3

The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.

Question # 4

A body with frequency would complete one vibration in:

Question # 5

The graph showing the variation of displacement with time is a

Question # 6

Which one of the following is an example of SHM

Question # 7

The S.I unit of frequency is

Question # 8

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 9

An oscillating body oscillates due to:

Question # 10

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 11

Velocity of particle executing SHM will be maximum at

Question # 12

Free oscillations are always produced by:

Question # 13

Amplitude is the displacement of the vibrating body from:

Question # 14

The unit of spring constant is:

Question # 15

The time taken to complete one vibration is called:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 When a body is vibrating, the displacement from mean position
A. Increases with time
B. Decreases with time
C. Changes with time
D. None of these
2 Which of the following quantity for particle executing SHM is non-zero at mean position
A. Force
B. Acceleration
C. Velocity
D. Displacement
3 If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:
A. 10 cm
B. 1 m
C. 10 mn
D. None of these
4 Which of the following forces is responsible for SHM
A. Applied force
B. Restoring force
C. Fractional force
D. Elastic force
5 The displacement of body executing SHM is
A. xocoswt
B. xosinwt
C. xosin2wt
D. Both A, B
6 The graph showing the variation of displacement with time is a:
A. Sine curve
B. Straight line
C. Parabola
D. None of these
7 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
8 The acceleration of body executing SHM is directly proportional to
A. Applied force
B. Amplitude
C. Displacement
D. Frictional force
9 The unit of spring constant is:
A. J-sec
B. Metre
C. Nm-1
D. None of these
10 The restoring force is ______ and opposite tot he applied force within ______
A. Equal, Elastic limit
B. Different, The walls of the laboratory
C. Different, Elastic limit
D. None of these

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