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 unit of spring constant is:

Question # 2

If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:

Question # 3

The restoring force is always directed towards:

Question # 4

Velocity of particle executing SHM will be maximum at

Question # 5

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

Question # 6

The S.I unit of frequency is

Question # 7

SHM is type of ______ motion

Question # 8

A particle moving uniformly along circle its projection along diameter performs

Question # 9

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

Question # 10

A body with frequency of would complete one vibration in:

Question # 11

The time taken to complete one vibration is called:

Question # 12

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

Question # 13

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

Question # 14

The unit of spring constant is

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 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 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
3 The body oscillates due to ______ accelerates and overshoots the rest position due to _______
A. Applied force, Inertia
B. Restoring force, Friction
C. Frictional force, Inertia
D. Restoring force, Inertia
4 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
5 An object undergoes SHM. Its maximum equilibrium positions:
A. Maximum
B. Half of its maximum value
C. Zero
D. None
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 The S.I unit of frequency is
A. Vibrations s-2
B. Ms-1
C. Hertz
D. s-1
8 A body with frequency of would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
9 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest
10 Distance covered during one vibration of an oscillating body in terms of amplitude A is:
A. A
B. 2 A
C. 3 A
D. 4 A

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