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

Acceleration of body executing SHM is always directed towards

Question # 2

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

Question # 3

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

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

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

Question # 6

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 # 7

The time taken to complete one vibration is called:

Question # 8

An oscillating body oscillates due to:

Question # 9

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

Question # 10

In vibrational motion(SHM)

Question # 11

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

Question # 12

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

Question # 13

Hertz is unit of:

Question # 14

The unit of spring constant is

Question # 15

The SI unit of spring constant is identical with that of

Question # 16

Which one of the following is an example of SHM:

Question # 17

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

Question # 18

The time period of a simple pendulum is independent of its:

Question # 19

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

Question # 20

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

Question # 21

The unit of spring constant is:

Question # 22

The graph showing the variation of displacement with time is a

Question # 23

Amplitude is the displacement of the vibrating body from:

Question # 24

The S.I unit of frequency is

Question # 25

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

Question # 26

A body with frequency would complete one vibration in:

Question # 27

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 28

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

Question # 29

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

Question # 30

When a body is vibrating, the displacement from mean position

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 A particle executes SHM with frequency. The frequency with which its K.E oscillates is
A. f/2
B. 2f
C. f
D. 4f
2 The time period of a simple pendulum is independent of its:
A. Length
B. Mass
C. Value of g
D. Both A and B
3 Vibratory motion is always under
A. Applied force
B. Restoring force
C. Periodic force
D. Gravitational force
4 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
5 The string of a simple pendulum should be:
A. Heavy
B. Extensible
C. In-extensible
D. None of these
6 Second's pendulum is the pendulum whose time period is:
A. 1 second
B. 2 second
C. 3 second
D. None of these
7 Distance covered during one vibration of an oscillating body in terms of amplitude A is:
A. A
B. 2 A
C. 3 A
D. 4 A
8 The S.I unit of frequency is
A. Vibrations s-2
B. Ms-1
C. Hertz
D. s-1
9 SHM is type of ______ motion
A. Vibratory
B. Linear
C. Circular
D. None
10 When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:
A. Increases
B. Decreases
C. Remains constant
D. None of these

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