ECAT Pre Computer Science Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 7 Oscillations

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ECAT Physics Chapter 7 Oscillations

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Question # 1

A body with frequency would complete one vibration in:

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

Amplitude is the displacement of the vibrating body from:

Question # 6

The string of a simple pendulum should be:

Question # 7

In vibrational motion(SHM)

Question # 8

The acceleration of body executing SHM is directly proportional to

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

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, inertial
B. Restoring force, friction
C. Frictional force, inertial
D. Restoring force, inertial
2 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
3 The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.
A. f
B. 2 f
C. 3 f
D. 1/2 f
4 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
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 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
7 If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:
A. 1 cm
B. 1 m
C. 10 mm
D. None of these
8 The graph showing the variation of displacement with time is a
A. Sine curve
B. Straight line
C. Parabola
D. None of these
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 An object undergoes SHM. Its maximum equilibrium positions:
A. Maximum
B. Half of its maximum value
C. Zero
D. None

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