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

If a given spring of spring constant k is cut into two indentical segments, the spring constant of each segment is:

Question # 2

The unit of spring constant is:

Question # 3

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

Question # 4

A particle moving uniformly along circle its projection along diameter performs

Question # 5

In SHM, the acceleration is ______ when velocity is _____:

Question # 6

The SI unit of spring constant is identical with that of

Question # 7

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

Question # 8

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

Question # 9

The SI unit of spring constant is identical with that of:

Question # 10

When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:

Question # 11

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

Question # 12

Free oscillations are always produced by:

Question # 13

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

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The restoring force is _____ and 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
2 The SI unit of spring constant is identical with that of
A. Force
B. Surface tension
C. Pressure
D. Loudness
3 The displacement of body executing SHM is
A. xocoswt
B. xosinwt
C. xosin2wt
D. Both A, B
4 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
5 The restoring force is always directed towards:
A. Rest position
B. Equilibrium position
C. Mean position
D. All of them
6 Acceleration of body executing SHM is always directed towards
A. Extreme position
B. Mean position
C. Along the direction of motion
D. None
7 A body with frequency of would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
8 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
9 Velocity of particle executing SHM will be maximum at
A. Extreme position
B. Mean position
C. b/w mean and extreme
D. None
10 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°

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