ECAT Pre Computer Science Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 7 Oscillations

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

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ECAT Physics Chapter 7 Oscillations

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Question # 1

An object in SHM will have maximum speed when its displacement from equilibrium position is:

Question # 2

The S.I unit of frequency is

Question # 3

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

Question # 4

If time period of a pendulum is doubled by increasing its length, then its frequency will

Question # 5

A body with frequency of would complete one vibration in:

Question # 6

A particle executes SHM with frequency. The frequency with which its K.E oscillates is

Question # 7

A particle moving uniformly along circle its projection along diameter performs

Question # 8

An oscillating body oscillates due to:

Question # 9

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

Question # 10

If there identical strings each of constant K are hooked together the spring constant of resultant spring will be:

Question # 11

Vibratory motion is always under

Question # 12

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

Question # 13

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

Question # 14

If a given spring of spring constant K is cut into two identical segments, the spring constant of each segment is:

Question # 15

Amplitude is the displacement of the vibrating body from:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Acceleration of body executing SHM is always directed towards
A. Extreme position
B. Mean position
C. Along the direction of motion
D. None
2 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:
A. 1.5 sec
B. 2.0 sec
C. 2.3 sec
D. 2.5 sec
3 Second's pendulum is the pendulum whose time period is:
A. 1 second
B. 2 second
C. 3 second
D. None of these
4 An oscillating body oscillates due to:
A. Applied force
B. Restoring force
C. Frictional force
D. None of these
5 The unit of spring constant is:
A. J-sec
B. Metre
C. Nm-1
D. None of these
6 The time taken to complete one vibration is called:
A. Frequency
B. Amplitude
C. Time
D. Time period
7 A particle is moving along a circular path with uniform speed. Its projection will execute ___along the _____ of the circle:
A. Circular motion, circumference
B. Vibratory, chord
C. SHM, diameter
D. SHM, circumference
8 The displacement of body executing SHM is
A. xocoswt
B. xosinwt
C. xosin2wt
D. Both A, B
9 Vibratory motion is always under
A. Applied force
B. Restoring force
C. Periodic force
D. Gravitational force
10 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

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