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

Question # 3

Acceleration of body executing SHM is always directed towards

Question # 4

Which of the following forces is responsible for SHM

Question # 5

The acceleration of body executing SHM is directly proportional to

Question # 6

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

Question # 7

The unit of spring constant is:

Question # 8

A spring of constant k = 0.4 N m-1is to be extended thorugh 10 cm at a place where g = 10 m sec-2. The mass to be suspended should be:

Question # 9

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

Question # 10

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

Question # 11

A body with frequency would complete one vibration in:

Question # 12

A particle moving uniformly along circle its projection along diameter performs

Question # 13

The wave form of SHM is

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 The S.I unit of frequency is
A. Vibrations s-2
B. Ms-1
C. Hertz
D. s-1
3 Velocity of particle executing SHM will be maximum at
A. Extreme position
B. Mean position
C. b/w mean and extreme
D. None
4 If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:
A. 10 cm
B. 1 m
C. 10 mn
D. None of these
5 Amplitude is the displacement of the vibrating body from:
A. One extreme position to the other extreme position
B. Mean position any one extreme position
C. Both A and B are correct
D. None of these
6 A body with frequency would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
7 The SI unit of spring constant is identical with that of:
A. Force
B. Surface tension
C. Pressure
D. Loudness
8 A particle is moving along a circular path with uniform speed. Its projection will execute ___along the _____ of the circle:
A. Circular motion, circumference
B. Vibratory, chord
C. SHM, diameter
D. SHM, circumference
9 The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.
A. f
B. 2 f
C. 3 f
D. 1/2 f
10 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

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