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

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

Question # 2

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

Question # 3

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 4

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

Question # 5

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

Question # 6

The displacement of body executing SHM is

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

The acceleration of body executing SHM is directly proportional to

Question # 14

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

Question # 15

The wave form of SHM is

Question # 16

Amplitude is the displacement of the vibrating body from:

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

Which one of the following is an example of SHM

Question # 21

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

Question # 22

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

Question # 23

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

Question # 24

A body with frequency of would complete one vibration in:

Question # 25

The unit of spring constant is:

Question # 26

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 # 27

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

Question # 28

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

Question # 29

A particle moving uniformly along circle its projection along diameter performs

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Acceleration of body executing SHM is always directed towards
A. Extreme position
B. Mean position
C. Along the direction of motion
D. None
2 If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:
A. 10 cm
B. 1 m
C. 10 mn
D. None of these
3 The unit of spring constant is
A. J-sec
B. Metre
C. Nm-1
D. None of these
4 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
5 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
6 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
7 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
8 The string of a simple pendulum should be:
A. Heavy
B. Extensible
C. In-extensible
D. None of these
9 The restoring force is ______ and opposite tot he applied force within ______
A. Equal, Elastic limit
B. Different, The walls of the laboratory
C. Different, Elastic limit
D. None of these
10 The time taken to complete one vibration is called:
A. Frequency
B. Amplitude
C. Time
D. Time period

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