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 unit of spring constant is:

Question # 2

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

Question # 3

A particle moving uniformly along circle its projection along diameter performs

Question # 4

The unit of spring constant is

Question # 5

The displacement of body executing SHM is

Question # 6

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

Question # 7

Free oscillations are always produced by:

Question # 8

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

Question # 9

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

Question # 10

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 11

Which of the following forces is responsible for SHM

Question # 12

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

Question # 13

A body with frequency would complete one vibration in:

Question # 14

The graph showing the variation of displacement with time is a

Question # 15

A spring of constant k = 0.4 N m-1is to be extended thorugh 10 cm at a place where g = 10 m sec-2. The mass to be suspended should be:

Question # 16

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

Question # 17

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

Question # 18

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

Question # 19

SHM is type of ______ motion

Question # 20

The string of a simple pendulum should be:

Question # 21

The S.I unit of frequency is

Question # 22

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

Question # 23

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

Question # 24

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

Question # 25

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

Question # 26

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

Question # 27

Velocity of particle executing SHM will be maximum at

Question # 28

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

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 In vibrational motion(SHM)
A. P.E remains conserved
B. Average K.E remain constant
C. Neither P.E nor K.E remains constant
D. Total energy remains constant
3 The acceleration of body executing SHM is directly proportional to
A. Applied force
B. Amplitude
C. Displacement
D. Frictional force
4 If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:
A. 2500 MHz
B. 0.25 MHz
C. 2500 KHz
D. None of these
5 Velocity of particle executing SHM will be maximum at
A. Extreme position
B. Mean position
C. b/w mean and extreme
D. None
6 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
7 If a given spring of spring constant k is cut into two indentical segments, the spring constant of each segment is:
A. k/2
B. 2 k
C. 4 k
D. None of these
8 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
9 Amplitude is the displacement of the vibrating body from:
A. One extreme position to the other extreme position
B. Mean position any one extreme position
C. Both A and B are correct
D. None of these
10 In SHM, there is always a constant ratio between displacement if body and its:
A. Velocity
B. Period
C. Mass
D. Acceleration

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