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

Question # 2

If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:

Question # 3

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

Question # 4

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

Question # 5

Velocity of particle executing SHM will be maximum at

Question # 6

The restoring force is always directed towards:

Question # 7

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

Question # 8

The graph showing the variation of displacement with time is a

Question # 9

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

Question # 10

The unit of spring constant is

Question # 11

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

Question # 12

The time taken to complete one vibration is called:

Question # 13

A particle moving uniformly along circle its projection along diameter performs

Question # 14

The S.I unit of frequency is

Question # 15

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

Question # 16

When a body is vibrating, the displacement from mean position:

Question # 17

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

Question # 18

An object undergoes SHM. Its maximum equilibrium positions:

Question # 19

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

Question # 20

Which one of the following is an example of SHM:

Question # 21

The string of a simple pendulum should be:

Question # 22

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

Question # 23

A body with frequency would complete one vibration in:

Question # 24

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

Question # 25

The unit of spring constant is:

Question # 26

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

Question # 27

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

Question # 28

In SHM, the acceleration is ______ when velocity is _____:

Question # 29

SHM is type of ______ motion

Question # 30

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

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Sr.# Question Answer
1 Amplitude in SHM is equivalent to_____ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
2 If there identical strings each of constant K are hooked together the spring constant of resultant spring will be:
A. 3 K
B. 2 K
C. K/4
D. K/3
3 The maximum distance of body from mean position when body is executing SHM is called
A. Time period
B. Displacement
C. Amplitude
D. Frequency
4 The S.I unit of frequency is
A. Vibrations s-2
B. Ms-1
C. Hertz
D. s-1
5 The SI unit of spring constant is identical with that of:
A. Force
B. Surface tension
C. Pressure
D. Loudness
6 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
7 A body with frequency of would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
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 When quarter of a circle is completed, phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
10 The time taken to complete one vibration is called:
A. Frequency
B. Amplitude
C. Time
D. Time period

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