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

Question # 1

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 # 2

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 # 3

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 # 4

The unit of spring constant is

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

Question # 5

Amplitude in SHM is equivalent to_____ in circular motion:

Diameter A
Radius B
Circumference C
None of these D

Question # 6

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

Infinity A
Maximum B
Zero C
Minimum D

Question # 7

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 # 8

Amplitude in SHM is equivalent to ______ in circular motion:

Diameter A
Radius B
Circumference C
None of these 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

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 # 11

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

90° A
180° B
45° C
360° D

Question # 12

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 # 13

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 # 14

A particle moving uniformly along circle its projection along diameter performs

Linear motion A
Projectile motion B
SHM C
Rotatory motion D

Question # 15

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 # 16

The S.I unit of frequency is

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

Question # 17

The displacement of body executing SHM is

x_ocoswt A
x_osinwt B
x_osin²wt C
Both A, B D

Question # 18

The graph showing the variation of displacement with time is a:

Sine curve A
Straight line B
Parabola 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

Free oscillations are always produced by:

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

Question # 21

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 # 22

The restoring force is always directed towards:

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

Question # 23

An oscillating body oscillates due to:

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

Question # 24

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 # 25

SHM is type of ______ motion

Vibratory A
Linear B
Circular C
None D

Question # 26

Amplitude in SHM is equivalent to ______ in circular motion

Diameter A
Radius B
Circumference C
None of these D

Question # 27

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 # 28

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 # 29

Velocity of particle executing SHM will be maximum at

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

Question # 30

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

Force A
Acceleration B
Velocity C
Displacement D

Sr.#	Question	Answer
1	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
2	Amplitude in SHM is equivalent to ______ in circular motion	A. Diameter B. Radius C. Circumference D. None of these
3	Amplitude in SHM is equivalent to ______ in circular motion:	A. Diameter B. Radius C. Circumference D. None of these
4	An oscillating body oscillates due to:	A. Applied force B. Restoring force C. Frictional force 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	The restoring force is always directed towards:	A. Rest position B. Equilibrium position C. Mean position D. All of them
7	When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:	A. Increases B. Decreases C. Remains constant D. None of these
8	In vibrational motion(SHM)	A. P.E remains conserved B. Average K.E remain constant C. Neither P.E nor K.E remains constant D. Total energy remains constant
9	The maximum distance of body from mean position when body is executing SHM is called	A. Time period B. Displacement C. Amplitude D. Frequency
10	When a body is vibrating, the displacement from mean position:	A. Increases with time B. Decreases with time C. Changes with time 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 mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:

Which one of the following is an example of SHM

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

The unit of spring constant is

Amplitude in SHM is equivalent to_____ in circular motion:

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

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

Amplitude in SHM is equivalent to ______ in circular motion:

In vibrational motion(SHM)

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

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

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

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

A particle moving uniformly along circle its projection along diameter performs

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

The S.I unit of frequency is

The displacement of body executing SHM is

The graph showing the variation of displacement with time is a:

The graph showing the variation of displacement with time is a

Free oscillations are always produced by:

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

The restoring force is always directed towards:

An oscillating body oscillates due to:

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

SHM is type of ______ motion

Amplitude in SHM is equivalent to ______ in circular motion

Which one of the following is an example of SHM:

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

Velocity of particle executing SHM will be maximum at

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

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

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 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: