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

Free oscillations are always produced by:

Question # 2

Second's pendulum is the pendulum whose time period is:

Question # 3

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

Question # 4

Which of the following forces is responsible for SHM

Question # 5

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

Question # 6

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

Question # 7

The unit of spring constant is:

Question # 8

The displacement of body executing SHM is

Question # 9

The unit of spring constant is

Question # 10

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:

Question # 11

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

Question # 12

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

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

Question # 15

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

Question # 16

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

Question # 17

Amplitude in SHM is equivalent to ______ in circular motion

Question # 18

Which of the following is an example of SHM(in ideal situations)

Question # 19

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

Question # 20

A particle moving uniformly along circle its projection along diameter performs

Question # 21

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

Question # 22

A body with frequency would complete one vibration in:

Question # 23

An oscillating body oscillates due to:

Question # 24

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

Question # 25

Velocity of particle executing SHM will be maximum at

Question # 26

The acceleration of body executing SHM is directly proportional to

Question # 27

A body with frequency of would complete one vibration in:

Question # 28

When a body is vibrating, the displacement from mean position

Question # 29

In SHM, the acceleration is ______ when velocity 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 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
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 Amplitude in SHM is equivalent to_____ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
4 The S.I unit of frequency is
A. Vibrations s-2
B. Ms-1
C. Hertz
D. s-1
5 The time taken to complete one vibration is called:
A. Frequency
B. Amplitude
C. Time
D. Time period
6 An object undergoes SHM. Its maximum equilibrium positions:
A. Maximum
B. Half of its maximum value
C. Zero
D. None
7 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
8 Second's pendulum is the pendulum whose time period is:
A. 1 second
B. 2 second
C. 3 second
D. None of these
9 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. Vibrator, chord
C. SHM, diameter
D. SHM, circumference
10 The acceleration of body executing SHM is directly proportional to
A. Applied force
B. Amplitude
C. Displacement
D. Frictional force

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