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

When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:

Question # 2

Amplitude in SHM is equivalent to ______ in circular motion

Question # 3

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

Question # 4

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

Question # 5

Free oscillations are always produced by:

Question # 6

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

Question # 7

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 8

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

Question # 9

The body oscillates due to _____ accelerates and overshoots the rest position due to______,:

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

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 # 14

The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.

Question # 15

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

Question # 16

The S.I unit of frequency is

Question # 17

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

Question # 18

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

Question # 19

A particle moving uniformly along circle its projection along diameter performs

Question # 20

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

Question # 21

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

Question # 22

SHM is type of ______ motion

Question # 23

An object undergoes SHM. Its maximum equilibrium positions:

Question # 24

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

Question # 25

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

Question # 26

Hertz is unit of:

Question # 27

Which of the following forces is responsible for SHM

Question # 28

The time taken to complete one vibration is called:

Question # 29

The SI unit of spring constant is identical with that of

Question # 30

The acceleration of body executing SHM is directly proportional to

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 Second's pendulum is the pendulum whose time period is:
A. 1 second
B. 2 second
C. 3 second
D. None of these
3 In SHM, there is always a constant ratio between displacement if body and its:
A. Velocity
B. Period
C. Mass
D. Acceleration
4 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
5 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
6 The time taken to complete one vibration is called:
A. Frequency
B. Amplitude
C. Time
D. Time period
7 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion
8 A body with frequency would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
9 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
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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