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

Which one of the following is an example of SHM

Question # 2

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

Question # 3

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 4

A body with frequency would complete one vibration in:

Question # 5

The displacement of body executing SHM is

Question # 6

The SI unit of spring constant is identical with that of

Question # 7

Velocity of particle executing SHM will be maximum at

Question # 8

In SHM, there is always a constant ratio between displacement if body and its:

Question # 9

The unit of spring constant is:

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

The restoring force is always directed towards:

Question # 14

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

Question # 15

An object undergoes SHM. Its maximum equilibrium positions:

Question # 16

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

Question # 17

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

Question # 18

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

Question # 19

The unit of spring constant is

Question # 20

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

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

Vibratory motion is always under

Question # 23

A particle moving uniformly along circle its projection along diameter performs

Question # 24

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

Question # 25

The string of a simple pendulum should be:

Question # 26

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

Question # 27

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

Question # 28

A body with frequency of would complete one vibration in:

Question # 29

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

Question # 30

If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 A body with frequency would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
2 Which one of the following is an example of SHM:
A. Motion in a plane
B. Motion in a swing
C. Motion in a car
D. None of these
3 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
4 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
5 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:
A. 4 gms
B. 0.4 gms
C. 40 gms
D. None of these
6 The string of a simple pendulum should be:
A. Heavy
B. Extensible
C. In-extensible
D. None of these
7 The S.I unit of frequency is
A. Vibrations s-2
B. Ms-1
C. Hertz
D. s-1
8 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
9 If a force of 0.05 N produces an elongation of 20 mm in 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
10 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

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