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

Question # 1

The displacement of body executing SHM is

x_ocoswt A
x_osinwt B
x_osin²wt C
Both A, B D

Question # 2

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 # 3

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 # 4

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

3 K A
2 K B
K/4 C
K/3 D

Question # 5

A spring of constant k = 0.4 N m^-1_{is to be extended thorugh 10 cm at a place where g = 10 m sec}^-2. The mass to be suspended should be:

4 gms A
0.4 gms B
40 gms 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

The restoring force is always directed towards:

Rest position A
Equilibrium position B
Mean position C
All of them D

Question # 8

The unit of spring constant is:

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

Question # 9

Amplitude in SHM is equivalent to_____ in circular motion:

Diameter A
Radius B
Circumference C
None of these D

Question # 10

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

A A
2 A B
3 A C
4 A D

Question # 11

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 # 12

The SI unit of spring constant is identical with that of

Force A
Surface tension B
Pressure C
Loudness 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

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 # 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

An object undergoes SHM. Its maximum equilibrium positions:

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

Question # 17

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

Force A
Surface tension B
Pressure C
Loudness D

Question # 18

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

Velocity A
Period B
Mass C
Acceleration D

Question # 19

Velocity of particle executing SHM will be maximum at

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

Question # 20

A body with frequency would complete one vibration in:

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

Question # 21

Hertz is unit of:

Time period A
Displacement B
Amplitude C
Frequency D

Question # 22

The restoring force is __ amd 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 # 23

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

Infinity A
Maximum B
Zero C
Minimum D

Question # 24

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 # 25

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 # 26

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 # 27

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

90° A
180° B
45° C
360° D

Question # 28

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

90° A
180° B
45° C
360° D

Question # 29

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

Question # 30

Free oscillations are always produced by:

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

Sr.#	Question	Answer
1	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
2	The unit of spring constant is	A. J-sec B. Metre C. Nm^-1 D. None of these
3	A particle executes SHM with frequency. The frequency with which its K.E oscillates is	A. f/2 B. 2f C. f D. 4f
4	Distance covered during one vibration of an oscillating body in terms of amplitude A is:	A. A B. 2 A C. 3 A D. 4 A
5	The maximum distance of body from mean position when body is executing SHM is called	A. Time period B. Displacement C. Amplitude D. Frequency
6	In SHM, there is always a constant ratio between displacement if body and its:	A. Velocity B. Period C. Mass D. Acceleration
7	SHM is type of ______ motion	A. Vibratory B. Linear C. Circular D. None
8	The SI unit of spring constant is identical with that of	A. Force B. Surface tension C. Pressure D. Loudness
9	The restoring force is ______ amd opposite to the applied force within _____:	A. Equal, elastic limit B. Different, the walls of the laboratory C. Different, elastic limit D. None of these
10	An object in SHM will have maximum speed when its displacement from equilibrium position is:	A. Infinity B. Maximum C. Zero D. Minimum

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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 displacement of body executing SHM is

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

Which one of the following is an example of SHM

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

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:

When a body is vibrating, the displacement from mean position

The restoring force is always directed towards:

The unit of spring constant is:

Amplitude in SHM is equivalent to_____ in circular motion:

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

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

The SI unit of spring constant is identical with that of

Which one of the following is an example of SHM:

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

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

An object undergoes SHM. Its maximum equilibrium positions:

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

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

Velocity of particle executing SHM will be maximum at

A body with frequency would complete one vibration in:

Hertz is unit of:

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

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

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

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

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

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

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

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

Free oscillations are always produced by:

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A spring of constant k = 0.4 N m^-1_{is to be extended thorugh 10 cm at a place where g = 10 m sec}^-2. The mass to be suspended should be:

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

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

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

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