ECAT Pre Engineering Physics Chapter 7 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 7 Oscillations

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

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Physics ECAT Pre Engineering Chapter 7 Oscillations

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Question # 1

The unit of spring constant is:

Question # 2

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

Question # 3

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

Question # 4

An object undergoes SHM. Its maximum equilibrium positions:

Question # 5

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

Question # 6

An object in SHM will have maximum speed when its displacement from equilibrium position is:

Question # 7

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

Question # 8

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

Question # 9

In vibrational motion(SHM)

Question # 10

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

Question # 11

Vibratory motion is always under

Question # 12

A particle executes SHM with frequency. The frequency with which its K.E oscillates is

Question # 13

Hertz is unit of:

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 A body with frequency would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
2 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
3 A particle is moving along a circular path with uniform speed. Its projection will execute ___along the _____ of the circle:
A. Circular motion, circumference
B. Vibratory, chord
C. SHM, diameter
D. SHM, circumference
4 The graph showing the variation of displacement with time is a
A. Sine curve
B. Straight line
C. Parabola
D. None of these
5 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
6 The time period of a simple pendulum is independent of its:
A. Length
B. Mass
C. Value of g
D. Both A and B
7 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
8 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only
9 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
10 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

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