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 a body is vibrating, the displacement from mean position:

Question # 2

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

Question # 3

Free oscillations are always produced by:

Question # 4

Which one of the following is an example of SHM

Question # 5

A particle moving uniformly along circle its projection along diameter performs

Question # 6

A body with frequency would complete one vibration in:

Question # 7

Which of the following forces is responsible for SHM

Question # 8

Distance covered during one vibration of an oscillating body in terms of amplitude A is:

Question # 9

The S.I unit of frequency is

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

The restoring force is ______ and opposite tot he applied force within ______

Question # 14

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

Question # 15

If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:

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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 In SHM, there is always a constant ratio between displacement if body and its:
A. Velocity
B. Period
C. Mass
D. Acceleration
3 If there identical strings each of constant K are hooked together the spring constant of resultant spring will be:
A. 3 K
B. 2 K
C. K/4
D. K/3
4 The unit of spring constant is
A. J-sec
B. Metre
C. Nm-1
D. None of these
5 An object in SHM will have maximum speed when its displacement from equilibrium position is:
A. Infinity
B. Maximum
C. Zero
D. Minimum
6 Velocity of particle executing SHM will be maximum at
A. Extreme position
B. Mean position
C. b/w mean and extreme
D. None
7 SHM is type of ______ motion
A. Vibratory
B. Linear
C. Circular
D. None
8 A body with frequency would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
9 The restoring force is always directed towards:
A. Rest position
B. Equilibrium position
C. Mean position
D. All of them
10 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

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