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

Question # 1

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 # 2

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 # 3

Free oscillations are always produced by:

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

Question # 4

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

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

Question # 5

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 # 6

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 # 7

An oscillating body oscillates due to:

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

Question # 8

The unit of spring constant is

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

Question # 9

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

Force A
Acceleration B
Velocity C
Displacement D

Question # 10

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 # 11

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 # 12

The S.I unit of frequency is

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

Question # 13

A particle moving uniformly along circle its projection along diameter performs

Linear motion A
Projectile motion B
SHM C
Rotatory motion D

Question # 14

Vibratory motion is always under

Applied force A
Restoring force B
Periodic force C
Gravitational force D

Question # 15

If mass of 10 gm is suspended from a spring of K=0.8 Nm^-1then the extension will be:

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

Question # 16

In vibrational motion(SHM)

P.E remains conserved A
Average K.E remain constant B
Neither P.E nor K.E remains constant C
Total energy remains constant D

Question # 17

Velocity of particle executing SHM will be maximum at

Extreme position A
Mean position B
b/w mean and extreme C
None D

Question # 18

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

90° A
180° B
45° C
360° D

Question # 19

Amplitude in SHM is equivalent to ______ in circular motion

Diameter A
Radius B
Circumference C
None of these D

Question # 20

Hertz is unit of:

Time period A
Displacement B
Amplitude C
Frequency D

Question # 21

The time taken to complete one vibration is called:

Frequency A
Amplitude B
Time C
Time period D

Question # 22

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 # 23

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 # 24

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

Infinity A
Maximum B
Zero C
Minimum D

Question # 25

The unit of spring constant is:

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

Question # 26

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 # 27

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 # 28

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 # 29

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 # 30

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

Also be doubled A
Become half B
Become one fourth C
Becomes four times D

Sr.#	Question	Answer
1	Amplitude in SHM is equivalent to ______ in circular motion	A. Diameter B. Radius C. Circumference D. None of these
2	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
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	The maximum distance of body from mean position when body is executing SHM is called	A. Time period B. Displacement C. Amplitude D. Frequency
5	When quarter of a circle is completed, phase of vibration is:	A. 90° B. 180° C. 45° D. 360°
6	The time taken to complete one vibration is called:	A. Frequency B. Amplitude C. Time D. Time period
7	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
8	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
9	If a given spring of spring constant K is cut into two identical segments, the spring constant of each segment is:	A. K/2 B. 2 K C. 4 K D. None of these
10	Vibratory motion is always under	A. Applied force B. Restoring force C. Periodic force D. Gravitational force

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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

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

Amplitude is the displacement of the vibrating body from:

Free oscillations are always produced by:

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

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

When a body is vibrating, the displacement from mean position

An oscillating body oscillates due to:

The unit of spring constant is

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

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

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

The S.I unit of frequency is

A particle moving uniformly along circle its projection along diameter performs

Vibratory motion is always under

If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:

In vibrational motion(SHM)

Velocity of particle executing SHM will be maximum at

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

Amplitude in SHM is equivalent to ______ in circular motion

Hertz is unit of:

The time taken to complete one vibration is called:

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

Which one of the following is an example of SHM

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

The unit of spring constant is:

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

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

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

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

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

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The restoring force is and opposite tot he applied force within

If mass of 10 gm is suspended from a spring of K=0.8 Nm^-1then the extension will be:

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:

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