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

Question # 2

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 3

Amplitude is the displacement of the vibrating body from:

Question # 4

An angle of 180° in circular motion is equivalent to ______ in SHM.

Question # 5

Acceleration of body executing SHM is always directed towards

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

When a body is vibrating, the displacement from mean position:

Question # 11

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

Question # 12

Which one of the following is an example of SHM

Question # 13

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

Question # 14

A body with frequency would complete one vibration in:

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The string of a simple pendulum should be:
A. Heavy
B. Extensible
C. In-extensible
D. None of these
2 The unit of spring constant is
A. J-sec
B. Metre
C. Nm-1
D. None of these
3 When quarter of a cycle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
4 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
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 In vibrational motion(SHM)
A. P.E remains conserved
B. Average K.E remain constant
C. Neither P.E nor K.E remains constant
D. Total energy remains constant
7 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest
8 In SHM, there is always a constant ratio between displacement if body and its:
A. Velocity
B. Period
C. Mass
D. Acceleration
9 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
10 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

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