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

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

Question # 2

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

Question # 3

The unit of spring constant is:

Question # 4

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

Question # 5

Which of the following is an example of SHM(in ideal situations)

Question # 6

When a body is vibrating, the displacement from mean position

Question # 7

A particle moving uniformly along circle its projection along diameter performs

Question # 8

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

Question # 9

Which one of the following is an example of SHM

Question # 10

The acceleration of body executing SHM is directly proportional to

Question # 11

The graph showing the variation of displacement with time is a

Question # 12

The number of vibration in two seconds can be expressed as
______ of frequency of vibration is f:

Question # 13

An oscillating body oscillates due to:

Question # 14

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

Question # 15

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

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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 An oscillating body oscillates due to:
A. Applied force
B. Restoring force
C. Frictional force
D. None of these
3 To and from motion of a body about its mean position is known as:
A. Translatory motion
B. Vibratory motion
C. Rotatory motion
D. None of these
4 The unit of spring constant is:
A. J-sec
B. Metre
C. Nm-1
D. None of these
5 The unit of spring constant is
A. J-sec
B. Metre
C. Nm-1
D. None of these
6 When quarter of a circle is completed, phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
7 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
8 Acceleration of body executing SHM is always directed towards
A. Extreme position
B. Mean position
C. Along the direction of motion
D. None
9 If a force of 0.05 N produces an elongation of 20 mm in a 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
10 If a given spring of spring constant K is cut into two identical segments, the spring constant of each segment is:
A. K/2
B. 2 K
C. 4 K
D. None of these

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