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

Which one of the following is an example of SHM:

Question # 3

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

Question # 4

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

Question # 5

Amplitude in SHM is equivalent to ______ in circular motion

Question # 6

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

Question # 7

The restoring force is always directed towards:

Question # 8

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

Question # 9

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

Question # 10

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 11

Amplitude is the displacement of the vibrating body from:

Question # 12

The time taken to complete one vibration is called:

Question # 13

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

Question # 14

Which of the following forces is responsible for SHM

Question # 15

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

Question # 16

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

Question # 17

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 18

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

Question # 19

Hertz is unit of:

Question # 20

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

Question # 21

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

Question # 22

An oscillating body oscillates due to:

Question # 23

The number of vibration in two seconds can be expressed as
______ of frequency of vibration is f:

Question # 24

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

Question # 25

The graph showing the variation of displacement with time is a

Question # 26

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

Question # 27

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

Question # 28

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

Question # 29

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

Question # 30

In vibrational motion(SHM)

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Vibratory motion is always under
A. Applied force
B. Restoring force
C. Periodic force
D. Gravitational force
2 Which one of the following is an example of SHM:
A. Motion in a plane
B. Motion in a swing
C. Motion in a car
D. None of these
3 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
4 An oscillating body oscillates due to:
A. Applied force
B. Restoring force
C. Frictional force
D. None of these
5 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
6 A particle executes SHM with frequency. The frequency with which its K.E oscillates is
A. f/2
B. 2f
C. f
D. 4f
7 When quarter of a circle is completed, phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
8 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
9 The restoring force is always directed towards:
A. Rest position
B. Equilibrium position
C. Mean position
D. All of them
10 A body with frequency of would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second

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