ECAT Pre General Science Physics Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 7 Oscillations

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ECAT Pre General Science Physics Chapter 7 Oscillations

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Question # 1

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

Question # 2

Free oscillations are always produced by:

Question # 3

The string of a simple pendulum should be:

Question # 4

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

Question # 5

The displacement of body executing SHM is

Question # 6

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

Question # 7

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

Question # 8

The unit of spring constant is

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

The SI unit of spring constant is identical with that of:

Question # 13

The restoring force is ______ amd opposite to the applied force within _____:

Question # 14

A body with frequency of would complete one vibration in:

Question # 15

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 16

The time taken to complete one vibration is called:

Question # 17

In vibrational motion(SHM)

Question # 18

An oscillating body oscillates due to:

Question # 19

Which one of the following is an example of SHM:

Question # 20

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

Question # 21

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

Question # 22

Amplitude is the displacement of the vibrating body from:

Question # 23

The restoring force is always directed towards:

Question # 24

Acceleration of body executing SHM is always directed towards

Question # 25

The unit of spring constant is:

Question # 26

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

Question # 27

The wave form of SHM is

Question # 28

If a force of 0.05 N produces an elongation of 20 mm in a string, then its spring constant will be:

Question # 29

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

Question # 30

Which of the following forces is responsible for SHM

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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. Vibratory, chord
C. SHM, diameter
D. SHM, circumference
2 If a force of 0.05 N produces an elongation of 20 mm in a 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
3 Acceleration of body executing SHM is always directed towards
A. Extreme position
B. Mean position
C. Along the direction of motion
D. None
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. Vibrator, chord
C. SHM, diameter
D. SHM, circumference
5 The graph showing the variation of displacement with time is a
A. Sine curve
B. Straight line
C. Parabola
D. None of these
6 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
7 A body with frequency would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
8 Vibratory motion is always under
A. Applied force
B. Restoring force
C. Periodic force
D. Gravitational force
9 The time taken to complete one vibration is called:
A. Frequency
B. Amplitude
C. Time
D. Time period
10 The maximum distance of body from mean position when body is executing SHM is called
A. Time period
B. Displacement
C. Amplitude
D. Frequency

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