ECAT Pre General Science Physics Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 7 Oscillations

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

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ECAT Pre General Science Physics Chapter 7 Oscillations

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Question # 1

The unit of spring constant is:

Question # 2

In vibrational motion(SHM)

Question # 3

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

Question # 4

An object undergoes SHM. Its maximum equilibrium positions:

Question # 5

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

Question # 6

Amplitude is the displacement of the vibrating body from:

Question # 7

Vibratory motion is always under

Question # 8

Amplitude in SHM is equivalent to ______ in circular motion

Question # 9

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

Question # 10

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

Question # 11

A body with frequency of would complete one vibration in:

Question # 12

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

Question # 13

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

Question # 14

The acceleration of body executing SHM is directly proportional to

Question # 15

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

Question # 16

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

Question # 17

The restoring force is _____ and opposite to the applied force within ______,:

Question # 18

Acceleration of body executing SHM is always directed towards

Question # 19

A spring of constant k = 0.4 N m-1is to be extended thorugh 10 cm at a place where g = 10 m sec-2. The mass to be suspended should be:

Question # 20

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

Question # 21

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

Question # 22

The time taken to complete one vibration is called:

Question # 23

A body with frequency would complete one vibration in:

Question # 24

Free oscillations are always produced by:

Question # 25

A particle moving uniformly along circle its projection along diameter performs

Question # 26

When a body is vibrating, the displacement from mean position

Question # 27

Velocity of particle executing SHM will be maximum at

Question # 28

SHM is type of ______ motion

Question # 29

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

Question # 30

The string of a simple pendulum should be:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 If a given spring of spring constant K is cut into two identical segments, the spring constant of each segment is:
A. K/2
B. 2 K
C. 4 K
D. None of these
2 An object undergoes SHM. Its maximum equilibrium positions:
A. Maximum
B. Half of its maximum value
C. Zero
D. None
3 Vibratory motion is always under
A. Applied force
B. Restoring force
C. Periodic force
D. Gravitational force
4 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
5 The SI unit of spring constant is identical with that of
A. Force
B. Surface tension
C. Pressure
D. Loudness
6 The time period of a simple pendulum is independent of its:
A. Length
B. Mass
C. Value of g
D. Both A and B
7 If a given spring of spring constant k is cut into two indentical segments, the spring constant of each segment is:
A. k/2
B. 2 k
C. 4 k
D. None of these
8 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
9 The graph showing the variation of displacement with time is a:
A. Sine curve
B. Straight line
C. Parabola
D. None of these
10 The restoring force is _____ and 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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