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

Question # 2

The graph showing the variation of displacement with time is a

Question # 3

A body with frequency of would complete one vibration in:

Question # 4

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

Question # 5

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

Question # 6

Acceleration of body executing SHM is always directed towards

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

The unit of spring constant is:

Question # 12

The SI unit of spring constant is identical with that of

Question # 13

In vibrational motion(SHM)

Question # 14

SHM is type of ______ motion

Question # 15

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

Question # 16

The displacement of body executing SHM is

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

Which of the following forces is responsible for SHM

Question # 21

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

Question # 22

Velocity of particle executing SHM will be maximum at

Question # 23

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

Question # 24

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

Question # 25

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 26

Free oscillations are always produced by:

Question # 27

Vibratory motion is always under

Question # 28

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

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The graph showing the variation of displacement with time is a:
A. Sine curve
B. Straight line
C. Parabola
D. None of these
2 SHM is type of ______ motion
A. Vibratory
B. Linear
C. Circular
D. None
3 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
4 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
5 An oscillating body oscillates due to:
A. Applied force
B. Restoring force
C. Frictional force
D. None of these
6 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
7 When quarter of a cycle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
8 If a force of 0.05 N produces an elongation of 20 mm in a 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
9 Velocity of particle executing SHM will be maximum at
A. Extreme position
B. Mean position
C. b/w mean and extreme
D. None
10 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest

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