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

Question # 1

The S.I unit of frequency is

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

Question # 2

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 # 3

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

Length A
Mass B
Value of g C
Both A and B D

Question # 4

If a force of 0.05 N produces an elongation of 20 mm in 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 # 5

Free oscillations are always produced by:

An applied force A
Gravitational force B
Restoring force and inertia C
Inertia only D

Question # 6

A particle moving uniformly along circle its projection along diameter performs

Linear motion A
Projectile motion B
SHM C
Rotatory motion D

Question # 7

The unit of spring constant is:

J-sec A
Metre B
Nm^-1 C
None of these D

Question # 8

An object undergoes SHM. Its maximum equilibrium positions:

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

Question # 9

Second's pendulum is the pendulum whose time period is:

1 second A
2 second B
3 second C
None of these D

Question # 10

The acceleration of body executing SHM is directly proportional to

Applied force A
Amplitude B
Displacement C
Frictional force D

Question # 11

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 # 12

A body of mass 0.031 kg attached to one end of a spring of spring constant 0.3 N/m, then time period of spring mass system will be:

1.5 sec A
2.0 sec B
2.3 sec C
2.5 sec D

Question # 13

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

90° A
180° B
45° C
360° D

Question # 14

Acceleration of body executing SHM is always directed towards

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

Question # 15

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

Sine curve A
Straight line B
Parabola C
None of these D

Question # 16

The string of a simple pendulum should be:

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

Question # 17

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 # 18

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 # 19

An oscillating body oscillates due to:

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

Question # 20

The restoring force is _ and opposite to the applied force within __,:

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

Question # 21

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 # 22

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

Velocity A
Period B
Mass C
Acceleration D

Question # 23

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 # 24

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

Applied force, Inertia A
Restoring force, Friction B
Frictional force, Inertia C
Restoring force, Inertia D

Question # 25

The time taken to complete one vibration is called:

Frequency A
Amplitude B
Time C
Time period D

Question # 26

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

2500 MHz A
0.25 MHz B
2500 KHz C
None of these D

Question # 27

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

90° A
180° B
45° C
360° D

Question # 28

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 # 29

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 # 30

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

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

Sr.#	Question	Answer
1	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
2	When quarter of a circle is completed, phase of vibration is:	A. 90° B. 180° C. 45° D. 360°
3	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
4	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
5	If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:	A. 2500 MHz B. 0.25 MHz C. 2500 KHz D. None of these
6	The string of a simple pendulum should be:	A. Heavy B. Extensible C. In-extensible D. None of these
7	A body with frequency would complete one vibration in:	A. f seconds B. 1/f seconds C. 1 second D. f²second
8	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
9	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
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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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 S.I unit of frequency is

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

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

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

Free oscillations are always produced by:

A particle moving uniformly along circle its projection along diameter performs

The unit of spring constant is:

An object undergoes SHM. Its maximum equilibrium positions:

Second's pendulum is the pendulum whose time period is:

The acceleration of body executing SHM is directly proportional to

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

A body of mass 0.031 kg attached to one end of a spring of spring constant 0.3 N/m, then time period of spring mass system will be:

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

Acceleration of body executing SHM is always directed towards

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

The string of a simple pendulum should be:

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

Amplitude is the displacement of the vibrating body from:

An oscillating body oscillates due to:

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

When a body is vibrating, the displacement from mean position

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

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

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

The time taken to complete one vibration is called:

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

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

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

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

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

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ECAT Physics Chapter 7 Important MCQ's

Test Questions

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

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

The restoring force is _ and opposite to the applied force within __,:

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

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