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

Question # 1

Hertz is unit of:

Time period A
Displacement B
Amplitude C
Frequency D

Question # 2

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

90° A
180° B
45° C
360° D

Question # 3

Amplitude in SHM is equivalent to_____ in circular motion:

Diameter A
Radius B
Circumference C
None of these D

Question # 4

The displacement of body executing SHM is

x_ocoswt A
x_osinwt B
x_osin²wt C
Both A, B D

Question # 5

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 # 6

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 # 7

The unit of spring constant is

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

Question # 8

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 # 9

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 # 10

Acceleration of body executing SHM is always directed towards

Extreme position A
Mean position B
Along the direction of motion C
None D

Question # 11

Amplitude in SHM is equivalent to ______ in circular motion

Diameter A
Radius B
Circumference C
None of these D

Question # 12

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 # 13

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

Force A
Acceleration B
Velocity C
Displacement D

Question # 14

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 # 15

When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:

Increases A
Decreases B
Remains constant C
None of these D

Question # 16

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 # 17

Free oscillations are always produced by:

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

Question # 18

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 # 19

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 # 20

If a mass of 10 gm is suspended from a spring of k = 9.8 Nm^-1, then the extension will be:

1 cm A
1 m B
10 mm C
None of these D

Question # 21

A body with frequency would complete one vibration in:

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

Question # 22

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 # 23

The wave form of SHM is

Pulsed wave A
Square wave B
Triangular waved C
Sine wave D

Question # 24

The SI unit of spring constant is identical with that of

Force A
Surface tension B
Pressure C
Loudness D

Question # 25

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 # 26

SHM is type of ______ motion

Vibratory A
Linear B
Circular C
None D

Question # 27

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 # 28

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

Infinity A
Maximum B
Zero C
Minimum D

Question # 29

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 # 30

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

Sr.#	Question	Answer
1	If a mass of 10 gm is suspended from a spring of k = 9.8 Nm^-1, then the extension will be:	A. 1 cm B. 1 m C. 10 mm D. None of these
2	The maximum distance of body from mean position when body is executing SHM is called	A. Time period B. Displacement C. Amplitude D. Frequency
3	Acceleration of body executing SHM is always directed towards	A. Extreme position B. Mean position C. Along the direction of motion D. None
4	The unit of spring constant is	A. J-sec B. Metre C. Nm^-1 D. None of these
5	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. Vibrator, chord C. SHM, diameter D. SHM, circumference
6	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
7	To and fro motion of a body is about its mean position is known as:	A. Translatory motion B. Vibratory motion C. Rotatory motion D. None of these
8	Vibratory motion is always under	A. Applied force B. Restoring force C. Periodic force D. Gravitational force
9	A body with frequency would complete one vibration in:	A. f seconds B. 1/f seconds C. 1 second D. f²second
10	Which of the following forces is responsible for SHM	A. Applied force B. Restoring force C. Fractional force D. Elastic force

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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

Hertz is unit of:

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

Amplitude in SHM is equivalent to_____ in circular motion:

The displacement of body executing SHM is

Which one of the following is an example of SHM

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

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

Acceleration of body executing SHM is always directed towards

Amplitude in SHM is equivalent to ______ in circular motion

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

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

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

When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:

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

Free oscillations are always produced by:

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

In vibrational motion(SHM)

If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:

A body with frequency would complete one vibration in:

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

The wave form of SHM is

The SI unit of spring constant is identical with that of

Which one of the following is an example of SHM:

SHM is type of ______ motion

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:

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

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

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

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

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

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

If a mass of 10 gm is suspended from a spring of k = 9.8 Nm^-1, then the extension will be: