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

Question # 1

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 # 2

The string of a simple pendulum should be:

Heavy A
Extensible B
In-extensible C
None of these 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

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 # 5

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

Question # 6

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 # 7

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

90° A
180° B
45° C
360° D

Question # 8

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 # 9

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 # 10

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 # 11

The displacement of body executing SHM is

x_ocoswt A
x_osinwt B
x_osin²wt C
Both A, B D

Question # 12

The time taken to complete one vibration is called:

Frequency A
Amplitude B
Time C
Time period D

Question # 13

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 # 14

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 # 15

An oscillating body oscillates due to:

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

Question # 16

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 # 17

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 # 18

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 # 19

The graph showing the variation of displacement with time is a

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

Question # 20

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 # 21

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 # 22

SHM is type of ______ motion

Vibratory A
Linear B
Circular C
None D

Question # 23

An object undergoes SHM. Its maximum equilibrium positions:

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

Question # 24

A body with frequency of would complete one vibration in:

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

Question # 25

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 # 26

Hertz is unit of:

Time period A
Displacement B
Amplitude C
Frequency D

Question # 27

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 # 28

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 # 29

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 # 30

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

Infinity A
Maximum B
Zero C
Minimum D

Sr.#	Question	Answer
1	Which of the following forces is responsible for SHM	A. Applied force B. Restoring force C. Fractional force D. Elastic force
2	If time period of a pendulum is doubled by increasing its length, then its frequency will	A. Also be doubled B. Become half C. Become one fourth D. Becomes four times
3	The graph showing the variation of displacement with time is a:	A. Sine curve B. Straight line C. Parabola D. None of these
4	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
5	The string of a simple pendulum should be:	A. Heavy B. Extensible C. In-extensible D. None of these
6	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
7	If mass of 10 gm is suspended from a spring of K=0.8 Nm^-1then the extension will be:	A. 10 cm B. 1 m C. 10 mn D. None of these
8	If a force of 0.05 N produces an elongation of 20 mm in 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
9	The displacement of body executing SHM is	A. x_ocoswt B. x_osinwt C. x_osin²wt D. Both A, B
10	The maximum distance of body from mean position when body is executing SHM is called	A. Time period B. Displacement C. Amplitude D. Frequency

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

The string of a simple pendulum should be:

A body with frequency would complete one vibration in:

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

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

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

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

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

In vibrational motion(SHM)

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

The displacement of body executing SHM is

The time taken to complete one vibration is called:

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:

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

An oscillating body oscillates due to:

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

Amplitude is the displacement of the vibrating body from:

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

The graph showing the variation of displacement with time is a

Which one of the following is an example of SHM:

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

SHM is type of ______ motion

An object undergoes SHM. Its maximum equilibrium positions:

A body with frequency of would complete one vibration in:

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:

Hertz is unit of:

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

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

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

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

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