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 body with frequency would complete one vibration in:

Question # 3

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

Question # 4

The graph showing the variation of displacement with time is a

Question # 5

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 6

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

Question # 7

When a body is vibrating, the displacement from mean position

Question # 8

The SI unit of spring constant is identical with that of

Question # 9

The restoring force is always directed towards:

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

Amplitude is the displacement of the vibrating body from:

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

Which one of the following is an example of SHM:

Question # 19

The S.I unit of frequency is

Question # 20

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

Question # 21

A particle moving uniformly along circle its projection along diameter performs

Question # 22

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

Question # 23

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

Question # 24

Vibratory motion is always under

Question # 25

An oscillating body oscillates due to:

Question # 26

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

Question # 27

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

Question # 28

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

Question # 29

The time taken to complete one vibration is called:

Question # 30

Which of the following forces is responsible for SHM

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
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 Velocity of particle executing SHM will be maximum at
A. Extreme position
B. Mean position
C. b/w mean and extreme
D. None
4 When quarter of a cycle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
5 The body oscillates due to ______ accelerates and overshoots the rest position due to _____:
A. Applied force , inertia
B. Restoring force, friction
C. Frictional force, inertia
D. Restoring force, inertia
6 Which of the following quantity for particle executing SHM is non-zero at mean position
A. Force
B. Acceleration
C. Velocity
D. Displacement
7 The wave form of SHM is
A. Pulsed wave
B. Square wave
C. Triangular waved
D. Sine wave
8 Vibratory motion is always under
A. Applied force
B. Restoring force
C. Periodic force
D. Gravitational force
9 The unit of spring constant is:
A. J-sec
B. Metre
C. Nm-1
D. None of these
10 The restoring force is ______ amd opposite to the applied force within _____:
A. Equal, elastic limit
B. Different, the walls of the laboratory
C. Different, elastic limit
D. None of these

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