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

When a body is vibrating, the displacement from mean position:

Question # 2

The graph showing the variation of displacement with time is a

Question # 3

The S.I unit of frequency is

Question # 4

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

Question # 5

Distance covered during one vibration of an oscillating body in terms of amplitude A is:

Question # 6

The maximum distance of body from mean position when body is executing SHM is called

Question # 7

Velocity of particle executing SHM will be maximum at

Question # 8

Free oscillations are always produced by:

Question # 9

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

Question # 10

If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:

Question # 11

Which one of the following is an example of SHM

Question # 12

If time period of a pendulum is doubled by increasing its length, then its frequency will

Question # 13

Amplitude in SHM is equivalent to ______ in circular motion

Question # 14

A body with frequency of would complete one vibration in:

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 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. Vibrator, chord
C. SHM, diameter
D. SHM, circumference
2 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest
3 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
4 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
5 If a force of 0.05 N produces an elongation of 20 mm in string, then its spring constant will be:
A. 250 N m-1
B. 25 N m-1
C. 2.5 N m-1
D. None of these
6 Which one of the following is an example of SHM:
A. Motion in a plane
B. Motion in a swing
C. Motion in a car
D. None of these
7 SHM is type of ______ motion
A. Vibratory
B. Linear
C. Circular
D. None
8 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
9 The SI unit of spring constant is identical with that of:
A. Force
B. Surface tension
C. Pressure
D. Loudness
10 Amplitude in SHM is equivalent to ______ in circular motion
A. Diameter
B. Radius
C. Circumference
D. None of these

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