ECAT Pre Computer Science Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 7 Oscillations

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ECAT Physics 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

A particle moving uniformly along circle its projection along diameter performs

Question # 3

The string of a simple pendulum should be:

Question # 4

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

Question # 5

SHM is type of ______ motion

Question # 6

Amplitude in SHM is equivalent to ______ in circular motion

Question # 7

Vibratory motion is always under

Question # 8

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

Question # 9

A particle is moving along a circular path with uniform speed. Its projection will execute____along the____of the circle:

Question # 10

Amplitude is the displacement of the vibrating body from:

Question # 11

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

Question # 12

Velocity of particle executing SHM will be maximum at

Question # 13

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

Question # 14

The unit of spring constant is:

Question # 15

Free oscillations are always produced by:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 To and fro motion of a body is about its mean position is known as:
A. Translatory motion
B. Vibratory motion
C. Rotatory motion
D. None of these
2 If time period of a pendulum is doubled by increasing its length, then its frequency will
A. Also be doubled
B. Become half
C. Become one fourth
D. Becomes four times
3 When a body is vibrating, the displacement from mean position:
A. Increases with time
B. Decreases with time
C. Changes with time
D. None of these
4 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
5 The restoring force is always directed towards:
A. Rest position
B. Equilibrium position
C. Mean position
D. All of them
6 The acceleration of body executing SHM is directly proportional to
A. Applied force
B. Amplitude
C. Displacement
D. Frictional force
7 Velocity of particle executing SHM will be maximum at
A. Extreme position
B. Mean position
C. b/w mean and extreme
D. None
8 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
9 Second's pendulum is the pendulum whose time period is:
A. 1 second
B. 2 second
C. 3 second
D. None of these
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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