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

Vibratory motion is always under

Question # 2

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

Question # 3

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

Question # 4

Which of the following forces is responsible for SHM

Question # 5

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

Question # 6

Which one of the following is an example of SHM

Question # 7

If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:

Question # 8

The restoring force is always directed towards:

Question # 9

The string of a simple pendulum should be:

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

The graph showing the variation of displacement with time is a

Question # 14

When a body is vibrating, the displacement from mean position

Question # 15

Amplitude in SHM is equivalent to ______ in circular motion

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Which of the following forces is responsible for SHM
A. Applied force
B. Restoring force
C. Fractional force
D. Elastic force
2 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:
A. 1.5 sec
B. 2.0 sec
C. 2.3 sec
D. 2.5 sec
3 Hertz is unit of:
A. Time period
B. Displacement
C. Amplitude
D. Frequency
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 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion
6 The string of a simple pendulum should be:
A. Heavy
B. Extensible
C. In-extensible
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 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
9 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
10 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

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