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

Which of the following quantity for particle executing SHM is non-zero at mean position

Question # 2

An angle of 180° in circular motion is equivalent to ______ in SHM.

Question # 3

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

Question # 4

Velocity of particle executing SHM will be maximum at

Question # 5

Free oscillations are always produced by:

Question # 6

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

Question # 7

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

Question # 8

Which one of the following is an example of SHM

Question # 9

In vibrational motion(SHM)

Question # 10

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

Question # 11

An object undergoes SHM. Its maximum equilibrium positions:

Question # 12

If there identical strings each of constant K are hooked together the spring constant of resultant spring will be:

Question # 13

The unit of spring constant is

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest
2 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
3 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:
A. 4 gms
B. 0.4 gms
C. 40 gms
D. None of these
4 If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:
A. 2500 MHz
B. 0.25 MHz
C. 2500 KHz
D. None of these
5 A body with frequency would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
6 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
7 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
8 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
9 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
10 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

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