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

Amplitude is the displacement of the vibrating body from:

Question # 2

Acceleration of body executing SHM is always directed towards

Question # 3

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

Question # 4

A body with frequency would complete one vibration in:

Question # 5

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

Question # 6

If time period of a pendulum is doubled by increasing its length, then its frequency will

Question # 7

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

Question # 8

An oscillating body oscillates due to:

Question # 9

In vibrational motion(SHM)

Question # 10

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

Question # 11

The SI unit of spring constant is identical with that of

Question # 12

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

Question # 13

Amplitude in SHM is equivalent to ______ in circular motion

Question # 14

Second's pendulum is the pendulum whose time period is:

Question # 15

The unit of spring constant is:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion
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 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
5 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
6 In SHM, there is always a constant ratio between displacement if body and its:
A. Velocity
B. Period
C. Mass
D. Acceleration
7 Amplitude in SHM is equivalent to_____ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
8 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest
9 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
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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