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 graph showing the variation of displacement with time is a

Question # 2

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

Question # 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:

Question # 4

The acceleration of body executing SHM is directly proportional to

Question # 5

An oscillating body oscillates due to:

Question # 6

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

Question # 7

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 8

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

Question # 9

The wave form of SHM is

Question # 10

A body with frequency would complete one vibration in:

Question # 11

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

Question # 12

When a body is vibrating, the displacement from mean position

Question # 13

The graph showing the variation of displacement with time is a:

Question # 14

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

Question # 15

A body with frequency of would complete one vibration in:

Question # 16

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

Question # 17

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

Question # 18

The SI unit of spring constant is identical with that of

Question # 19

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

Question # 20

If there identical strings each of constant K are hooked together the spring constant of resultant spring will be:

Question # 21

Amplitude is the displacement of the vibrating body from:

Question # 22

The restoring force is always directed towards:

Question # 23

Free oscillations are always produced by:

Question # 24

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

Question # 25

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 # 26

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

Question # 27

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

Question # 28

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

Question # 29

The SI unit of spring constant is identical with that of:

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 SHM is type of ______ motion
A. Vibratory
B. Linear
C. Circular
D. None
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 A spring of constant k = 0.4 N m-1is to be extended through 10 cm at a place where g = 10 m sec-2. The mass to be suspended should be:
A. 4 gms
B. 0.4 gm
C. 40 gms
D. None of these
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 Which of the following forces is responsible for SHM
A. Applied force
B. Restoring force
C. Fractional force
D. Elastic force
6 A body with frequency of would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
7 The SI unit of spring constant is identical with that of:
A. Force
B. Surface tension
C. Pressure
D. Loudness
8 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion
9 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
10 A body with frequency would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second

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