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

Question # 1

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 # 2

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

Force A
Surface tension B
Pressure C
Loudness D

Question # 3

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 # 4

The S.I unit of frequency is

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

Question # 5

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

90° A
180° B
45° C
360° D

Question # 6

Amplitude in SHM is equivalent to ______ in circular motion

Diameter A
Radius B
Circumference C
None of these D

Question # 7

A body with frequency of would complete one vibration in:

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

Question # 8

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 # 9

If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:

2500 MHz A
0.25 MHz B
2500 KHz C
None of these D

Question # 10

The restoring force is always directed towards:

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

Question # 11

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 # 12

The graph showing the variation of displacement with time is a

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

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 # 16

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 # 17

Amplitude in SHM is equivalent to ______ in circular motion:

Diameter A
Radius B
Circumference C
None of these D

Question # 18

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

90° A
180° B
45° C
360° D

Question # 19

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

Force A
Acceleration B
Velocity C
Displacement D

Question # 20

Hertz is unit of:

Time period A
Displacement B
Amplitude C
Frequency D

Question # 21

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 # 22

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

Infinity A
Maximum B
Zero C
Minimum D

Question # 23

Amplitude in SHM is equivalent to_____ in circular motion:

Diameter A
Radius B
Circumference C
None of these D

Question # 24

Velocity of particle executing SHM will be maximum at

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

Question # 25

The SI unit of spring constant is identical with that of

Force A
Surface tension B
Pressure C
Loudness D

Question # 26

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 # 27

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 # 28

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 # 29

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 # 30

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

Sr.#	Question	Answer
1	To and from motion of a body about its mean position is known as:	A. Translatory motion B. Vibratory motion C. Rotatory motion D. None of these
2	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
3	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
4	The restoring force is always directed towards:	A. Rest position B. Equilibrium position C. Mean position D. All of them
5	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
6	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:	A. 4 gms B. 0.4 gms C. 40 gms D. None of these
7	In SHM, there is always a constant ratio between displacement if body and its:	A. Velocity B. Period C. Mass D. Acceleration
8	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
9	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
10	If a given spring of spring constant k is cut into two indentical segments, the spring constant of each segment is:	A. k/2 B. 2 k C. 4 k 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 given spring of spring constant K is cut into two identical segments, the spring constant of each segment is:

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

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 S.I unit of frequency is

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

Amplitude in SHM is equivalent to ______ in circular motion

A body with frequency of would complete one vibration in:

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

If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:

The restoring force is always directed towards:

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

The graph showing the variation of displacement with time is a

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

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

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:

Amplitude in SHM is equivalent to ______ in circular motion:

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

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

Hertz is unit of:

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

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

Amplitude in SHM is equivalent to_____ in circular motion:

Velocity of particle executing SHM will be maximum at

The SI unit of spring constant is identical with that of

Which one of the following is an example of SHM:

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:

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

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

Which one of the following is an example of SHM

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The body oscillates due to __ accelerates and overshoots the rest position due to _:

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

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

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

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: