ECAT Pre General Science Physics Chapter 7 MCQ Test With Answer

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

Try The 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

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

Question # 2

Which of the following forces is responsible for SHM

Question # 3

Amplitude in SHM is equivalent to ______ in circular motion

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

Amplitude is the displacement of the vibrating body from:

Question # 9

The graph showing the variation of displacement with time is a

Question # 10

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

Question # 11

A particle is moving along a circular path with uniform speed. Its projection will execute____along the____of the circle:

Question # 12

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

Question # 13

When a body is vibrating, the displacement from mean position

Question # 14

Which one of the following is an example of SHM

Question # 15

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

Question # 16

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 17

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

Question # 18

SHM is type of ______ motion

Question # 19

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

Question # 20

The restoring force is always directed towards:

Question # 21

In SHM, there is always a constant ratio between displacement if body and its:

Question # 22

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

Question # 23

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

Question # 24

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

Question # 25

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

Question # 26

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 27

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

Question # 28

The SI unit of spring constant is identical with that of

Question # 29

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

Question # 30

An oscillating body oscillates due to:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
2 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
3 The body oscillates due to _____ accelerates and overshoots the rest position due to______,:
A. Applied force, inertial
B. Restoring force, friction
C. Frictional force, inertial
D. Restoring force, inertial
4 To and from motion of a body about its mean position is known as:
A. Translatory motion
B. Vibratory motion
C. Rotatory motion
D. None of these
5 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
6 Hertz is unit of:
A. Time period
B. Displacement
C. Amplitude
D. Frequency
7 If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:
A. 1 cm
B. 1 m
C. 10 mm
D. None of these
8 The restoring force is ______ and opposite tot he applied force within ______
A. Equal, Elastic limit
B. Different, The walls of the laboratory
C. Different, Elastic limit
D. None of these
9 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
10 Velocity of particle executing SHM will be maximum at
A. Extreme position
B. Mean position
C. b/w mean and extreme
D. None

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