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

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

Question # 2

Which one of the following is an example of SHM

Question # 3

Free oscillations are always produced by:

Question # 4

Which one of the following is an example of SHM:

Question # 5

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

Question # 6

The time taken to complete one vibration is called:

Question # 7

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

Question # 8

Acceleration of body executing SHM is always directed towards

Question # 9

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

Question # 10

A particle is moving along a circular path with uniform speed. Its projection will execute ___along the _____ of the circle:

Question # 11

The SI unit of spring constant is identical with that of

Question # 12

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

Question # 13

The graph showing the variation of displacement with time is a

Question # 14

The restoring force is ______ and opposite tot he applied force within ______

Question # 15

The body oscillates due to ______ accelerates and overshoots the rest position due to _______

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The body oscillates due to _____ accelerates and overshoots the rest position due to______,:
A. Applied force, inertial
B. Restoring force, friction
C. Frictional force, inertial
D. Restoring force, inertial
2 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
3 The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.
A. f
B. 2 f
C. 3 f
D. 1/2 f
4 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
5 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
6 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
7 A body with frequency would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
8 If time period of a pendulum is doubled by increasing its length, then its frequency will
A. Also be doubled
B. Become half
C. Become one fourth
D. Becomes four times
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 time taken to complete one vibration is called:
A. Frequency
B. Amplitude
C. Time
D. Time period

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