ECAT Pre General Science Chapter 7 online mcq test with answers for Physics chapter 7 (Oscillation)

Question # 1

The body oscillates due to _ accelerates and overshoots the rest position due to__,:

Applied force, inertial A
Restoring force, friction B
Frictional force, inertial C
Restoring force, inertial D

Question # 2

The SI unit of spring constant is identical with that of

Force A
Surface tension B
Pressure C
Loudness D

Question # 3

A body with frequency would complete one vibration in:

f seconds A
1/f seconds B
1 second C
f²second D

Question # 4

An oscillating body oscillates due to:

Applied force A
Restoring force B
Frictional force C
None of these D

Question # 5

The S.I unit of frequency is

Vibrations s^-2 A
Ms^-1 B
Hertz C
s^-1 D

Question # 6

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

250 N m^-1 A
25 N m^-1 B
2.5 N m^-1 C
None of these D

Question # 7

The number of vibration in two seconds can be expressed as
______ of frequency of vibration is f:

f A
2 f B
3 f C
1/2 f D

Question # 8

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

Circular motion, circumference A
Vibrator, chord B
SHM, diameter C
SHM, circumference D

Question # 9

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

Infinity A
Maximum B
Zero C
Minimum D

Question # 10

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

Velocity A
Period B
Mass C
Acceleration D

Question # 11

The string of a simple pendulum should be:

Heavy A
Extensible B
In-extensible C
None of these D

Question # 12

The wave form of SHM is

Pulsed wave A
Square wave B
Triangular waved C
Sine wave D

Question # 13

Which one of the following is an example of SHM

Motion in a plane A
Motion in a swing B
Motion in a car C
None of these D

Question # 14

When a body is vibrating, the displacement from mean position

Increases with time A
Decreases with time B
Changes with time C
None of these D

Question # 15

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

K/2 A
2 K B
4 K C
None of these D

Question # 16

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

Half the vibration A
One vibration B
3/4th of a vibration C
None of these D

Question # 17

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:

4 gms A
0.4 gm B
40 gms C
None of these D

Question # 18

If a mass of 10 gm is suspended from a spring of k = 9.8 Nm^-1, then the extension will be:

1 cm A
1 m B
10 mm C
None of these D

Question # 19

Amplitude is the displacement of the vibrating body from:

One extreme position to the other extreme position A
Mean position any one extreme position B
Both A and B are correct C
None of these D

Question # 20

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

Motion of simple pendulum A
Motion of horizontal spring man system B
Motion of violin string C
All of these D

Question # 21

Acceleration of body executing SHM is always directed towards

Extreme position A
Mean position B
Along the direction of motion C
None D

Question # 22

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

Circular motion, circumference A
Vibratory, chord B
SHM, diameter C
SHM, circumference D

Question # 23

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

Translatory motion A
Vibratory motion B
Rotatory motion C
None of these D

Question # 24

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

90° A
180° B
45° C
360° D

Question # 25

The restoring force is and opposite tot he applied force within

Equal, Elastic limit A
Different, The walls of the laboratory B
Different, Elastic limit C
None of these D

Question # 26

An object undergoes SHM. Its maximum equilibrium positions:

Maximum A
Half of its maximum value B
Zero C
None D

Question # 27

Hertz is unit of:

Time period A
Displacement B
Amplitude C
Frequency D

Question # 28

A particle executes SHM with frequency. The frequency with which its K.E oscillates is

f/2 A
2f B
f C
4f D

Question # 29

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

Increases A
Decreases B
Remains constant C
None of these D

Question # 30

Amplitude in SHM is equivalent to ______ in circular motion

Diameter A
Radius B
Circumference C
None of these D

Sr.#	Question	Answer
1	The maximum distance of body from mean position when body is executing SHM is called	A. Time period B. Displacement C. Amplitude D. Frequency
2	Acceleration of body executing SHM is always directed towards	A. Extreme position B. Mean position C. Along the direction of motion D. None
3	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:	A. 4 gms B. 0.4 gm C. 40 gms D. None of these
4	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
5	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
6	A particle executes SHM with frequency. The frequency with which its K.E oscillates is	A. f/2 B. 2f C. f D. 4f
7	The graph showing the variation of displacement with time is a	A. Sine curve B. Straight line C. Parabola D. None of these
8	When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:	A. Increases B. Decreases C. Remains constant D. None of these
9	Hertz is unit of:	A. Time period B. Displacement C. Amplitude D. Frequency
10	Amplitude in SHM is equivalent to ______ in circular motion:	A. Diameter B. Radius C. Circumference D. None of these

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ECAT Pre General Science Physics Chapter 7 MCQ Test With Answer

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

ECAT Pre General Science Physics Chapter 7 Oscillations

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

The SI unit of spring constant is identical with that of

A body with frequency would complete one vibration in:

An oscillating body oscillates due to:

The S.I unit of frequency is

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

The number of vibration in two seconds can be expressed as______ of frequency of vibration is f:

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

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

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

The string of a simple pendulum should be:

The wave form of SHM is

Which one of the following is an example of SHM

When a body is vibrating, the displacement from mean position

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

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

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:

If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:

Amplitude is the displacement of the vibrating body from:

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

Acceleration of body executing SHM is always directed towards

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

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

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

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

An object undergoes SHM. Its maximum equilibrium positions:

Hertz is unit of:

A particle executes SHM with frequency. The frequency with which its K.E oscillates is

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

Amplitude in SHM is equivalent to ______ in circular motion

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