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

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

Question # 2

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 3

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 4

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

Question # 5

The restoring force is ______ and opposite tot he applied force within ______

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

The graph showing the variation of displacement with time is a

Question # 12

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

Question # 13

A body with frequency would complete one vibration in:

Question # 14

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

Question # 15

The acceleration of body executing SHM is directly proportional to

Question # 16

Which one of the following is an example of SHM:

Question # 17

An oscillating body oscillates due to:

Question # 18

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

Question # 19

Which one of the following is an example of SHM

Question # 20

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

Question # 21

Free oscillations are always produced by:

Question # 22

The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.

Question # 23

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

Question # 24

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

Question # 25

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

Question # 26

In vibrational motion(SHM)

Question # 27

The time period of a simple pendulum is independent of its:

Question # 28

The S.I unit of frequency is

Question # 29

An object in SHM will have maximum speed when its displacement from equilibrium position is:

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 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
3 Vibratory motion is always under
A. Applied force
B. Restoring force
C. Periodic force
D. Gravitational force
4 In SHM, there is always a constant ratio between displacement if body and its:
A. Velocity
B. Period
C. Mass
D. Acceleration
5 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only
6 Second's pendulum is the pendulum whose time period is:
A. 1 second
B. 2 second
C. 3 second
D. None of these
7 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
8 A body with frequency of would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
9 An angle of 180° in circular motion is equivalent to ______ in SHM.
A. Half the vibration
B. One vibration
C. 3/4th of a vibration
D. None of these
10 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

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