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

Question # 1

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 # 2

An object undergoes SHM. Its maximum equilibrium positions:

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

Question # 3

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

90° A
180° B
45° C
360° D

Question # 4

Amplitude in SHM is equivalent to_____ in circular motion:

Diameter A
Radius B
Circumference C
None of these D

Question # 5

A particle moving uniformly along circle its projection along diameter performs

Linear motion A
Projectile motion B
SHM C
Rotatory motion D

Question # 6

Velocity of particle executing SHM will be maximum at

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

Question # 7

The time taken to complete one vibration is called:

Frequency A
Amplitude B
Time C
Time period D

Question # 8

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 # 9

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

Velocity A
Period B
Mass C
Acceleration D

Question # 10

The unit of spring constant is:

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

Question # 11

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 # 12

The displacement of body executing SHM is

x_ocoswt A
x_osinwt B
x_osin²wt C
Both A, B D

Question # 13

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

Infinity A
Maximum B
Zero C
Minimum D

Question # 14

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 # 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

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

90° A
180° B
45° C
360° D

Question # 17

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 # 18

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 # 19

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 # 20

The string of a simple pendulum should be:

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

Question # 21

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 # 22

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 # 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

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

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 # 26

The SI unit of spring constant is identical with that of

Force A
Surface tension B
Pressure C
Loudness D

Question # 27

The maximum distance of body from mean position when body is executing SHM is called

Time period A
Displacement B
Amplitude C
Frequency D

Question # 28

Hertz is unit of:

Time period A
Displacement B
Amplitude C
Frequency D

Question # 29

In SHM, the acceleration is __ when velocity is _:

Zero, smallest A
Smallest, zero B
Zero, zero C
Zero, greatest D

Question # 30

A body with frequency would complete one vibration in:

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

Sr.#	Question	Answer
1	Vibratory motion is always under	A. Applied force B. Restoring force C. Periodic force D. Gravitational force
2	The displacement of body executing SHM is	A. x_ocoswt B. x_osinwt C. x_osin²wt D. Both A, B
3	The time period of a simple pendulum is independent of its:	A. Length B. Mass C. Value of g D. Both A and B
4	Amplitude in SHM is equivalent to ______ in circular motion:	A. Diameter B. Radius C. Circumference D. None of these
5	If a force of 0.05 N produces an elongation of 20 mm in a string, then its spring constant will be:	A. 250 N m^-1 B. 25 N m^-1 C. 2.5 N m^-1 D. None of these
6	Second's pendulum is the pendulum whose time period is:	A. 1 second B. 2 second C. 3 second D. None of these
7	When quarter of a cycle is completed, the phase of vibration is:	A. 90° B. 180° C. 45° D. 360°
8	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
9	Which one of the following is an example of SHM:	A. Motion in a plane B. Motion in a swing C. Motion in a car D. None of these
10	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

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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

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

An object undergoes SHM. Its maximum equilibrium positions:

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

Amplitude in SHM is equivalent to_____ in circular motion:

A particle moving uniformly along circle its projection along diameter performs

Velocity of particle executing SHM will be maximum at

The time taken to complete one vibration is called:

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

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

The unit of spring constant is:

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:

The displacement of body executing SHM is

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

The restoring force is ______ amd 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:

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

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

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:

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

The string of a simple pendulum should be:

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

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

Which one of the following is an example of SHM

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

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

The maximum distance of body from mean position when body is executing SHM is called

Hertz is unit of:

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

A body with frequency would complete one vibration in:

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