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

Question # 1

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

90° A
180° B
45° C
360° 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

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 # 4

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 # 5

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 # 6

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 # 7

Free oscillations are always produced by:

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

Question # 8

The time taken to complete one vibration is called:

Frequency A
Amplitude B
Time C
Time period D

Question # 9

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 # 10

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 # 11

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 # 12

The S.I unit of frequency is

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

Question # 13

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 # 14

The restoring force is always directed towards:

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

Question # 15

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 # 16

The unit of spring constant is:

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

Question # 17

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 # 18

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 # 19

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 # 20

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

Force A
Surface tension B
Pressure C
Loudness D

Question # 21

Vibratory motion is always under

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

Question # 22

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 # 23

The SI unit of spring constant is identical with that of

Force A
Surface tension B
Pressure C
Loudness D

Question # 24

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 # 25

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 # 26

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

Force A
Acceleration B
Velocity C
Displacement D

Question # 27

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

90° A
180° B
45° C
360° D

Question # 28

Hertz is unit of:

Time period A
Displacement B
Amplitude C
Frequency D

Question # 29

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 # 30

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

Time period A
Displacement B
Amplitude C
Frequency D

Sr.#	Question	Answer
1	The unit of spring constant is:	A. J-sec B. Metre C. Nm^-1 D. None of these
2	Amplitude is the displacement of the vibrating body from:	A. One extreme position to the other extreme position B. Mean position any one extreme position C. Both A and B are correct D. None of these
3	The body oscillates due to _____ accelerates and overshoots the rest position due to______,:	A. Applied force, inertial B. Restoring force, friction C. Frictional force, inertial D. Restoring force, inertial
4	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
5	Second's pendulum is the pendulum whose time period is:	A. 1 second B. 2 second C. 3 second D. None of these
6	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
7	A body with frequency would complete one vibration in:	A. f seconds B. 1/f seconds C. 1 second D. f²second
8	The SI unit of spring constant is identical with that of	A. Force B. Surface tension C. Pressure D. Loudness
9	A particle executes SHM with frequency. The frequency with which its K.E oscillates is	A. f/2 B. 2f C. f D. 4f
10	Amplitude in SHM is equivalent to ______ in circular motion	A. Diameter B. Radius C. Circumference 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

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

Amplitude is the displacement of the vibrating body from:

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

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

When a body is vibrating, the displacement from mean position

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

Free oscillations are always produced by:

The time taken to complete one vibration is called:

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

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

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

The S.I unit of frequency is

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

The restoring force is always directed towards:

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 unit of spring constant is:

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

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

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

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

Vibratory motion is always under

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

The SI unit of spring constant is identical with that of

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

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

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

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

Hertz is unit of:

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

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

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