ECAT Pre Computer Science Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 7 Oscillations

Try The MCQ's Test For ECAT Physics Chapter 7 Oscillations

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ECAT Physics Chapter 7 Oscillations

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Question # 1

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

Question # 2

The unit of spring constant is

Question # 3

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

Question # 4

When a body is vibrating, the displacement from mean position

Question # 5

A body with frequency of would complete one vibration in:

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

The string of a simple pendulum should be:

Question # 10

The graph showing the variation of displacement with time is a

Question # 11

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

Question # 12

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

Question # 13

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 14

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The time period of a simple pendulum is independent of its:
A. Length
B. Mass
C. Value of g
D. Both A and B
2 The graph showing the variation of displacement with time is a:
A. Sine curve
B. Straight line
C. Parabola
D. None of these
3 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest
4 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
5 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
6 If a force of 0.05 N produces an elongation of 20 mm in 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 Amplitude in SHM is equivalent to_____ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
8 The SI unit of spring constant is identical with that of
A. Force
B. Surface tension
C. Pressure
D. Loudness
9 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
10 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

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