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

A particle is moving along a circular path with uniform speed. Its projection will execute____along the____of the circle:

Question # 2

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

Question # 3

The time taken to complete one vibration is called:

Question # 4

An object undergoes SHM. Its maximum equilibrium positions:

Question # 5

An oscillating body oscillates due to:

Question # 6

An angle of 180° in circular motion is equivalent to ______ in SHM.

Question # 7

The time period of a simple pendulum is independent of its:

Question # 8

If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:

Question # 9

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

Question # 10

Which of the following forces is responsible for SHM

Question # 11

Which of the following quantity for particle executing SHM is non-zero at mean position

Question # 12

The acceleration of body executing SHM is directly proportional to

Question # 13

A body with frequency would complete one vibration in:

Question # 14

The unit of spring constant is:

Question # 15

Velocity of particle executing SHM will be maximum at

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 If a force of 0.05 N produces an elongation of 20 mm in a string, then its spring constant will be:
A. 250 N m-1
B. 25 N m-1
C. 2.5 N m-1
D. None of these
2 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
3 Vibratory motion is always under
A. Applied force
B. Restoring force
C. Periodic force
D. Gravitational force
4 If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:
A. 1 cm
B. 1 m
C. 10 mm
D. None of these
5 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
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 maximum distance of body from mean position when body is executing SHM is called
A. Time period
B. Displacement
C. Amplitude
D. Frequency
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 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
10 The restoring force is ______ amd opposite to the 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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