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

Question # 1

The graph showing the variation of displacement with time is a

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

Question # 2

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 # 3

The time taken to complete one vibration is called:

Frequency A
Amplitude B
Time C
Time period D

Question # 4

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 # 5

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

90° A
180° B
45° C
360° D

Question # 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:

4 gms A
0.4 gm B
40 gms C
None of these D

Question # 7

Amplitude in SHM is equivalent to_____ in circular motion:

Diameter A
Radius B
Circumference C
None of these D

Question # 8

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 # 9

Hertz is unit of:

Time period A
Displacement B
Amplitude C
Frequency D

Question # 10

Amplitude in SHM is equivalent to ______ in circular motion:

Diameter A
Radius B
Circumference C
None of these D

Question # 11

An oscillating body oscillates due to:

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

Question # 12

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 # 13

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 # 14

The S.I unit of frequency is

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

Question # 15

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 # 16

Free oscillations are always produced by:

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

Question # 17

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 # 18

In SHM, the acceleration is __ when velocity is _:

Zero, smallest A
Smallest, zero B
Zero, zero C
Zero, greatest D

Question # 19

The unit of spring constant is

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

Question # 20

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 # 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

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

k/2 A
2 k B
4 k C
None of these D

Question # 23

In SHM, there is always a constant ratio between displacement if body and its:

Velocity A
Period B
Mass C
Acceleration D

Question # 24

The restoring force is always directed towards:

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

The displacement of body executing SHM is

x_ocoswt A
x_osinwt B
x_osin²wt C
Both A, B 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

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 # 29

The wave form of SHM is

Pulsed wave A
Square wave B
Triangular waved C
Sine wave 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	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
2	In SHM, there is always a constant ratio between displacement if body and its:	A. Velocity B. Period C. Mass D. Acceleration
3	An object in SHM will have maximum speed when its displacement from equilibrium position is:	A. Infinity B. Maximum C. Zero D. Minimum
4	The acceleration of body executing SHM is directly proportional to	A. Applied force B. Amplitude C. Displacement D. Frictional force
5	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
6	The maximum distance of body from mean position when body is executing SHM is called	A. Time period B. Displacement C. Amplitude D. Frequency
7	The SI unit of spring constant is identical with that of	A. Force B. Surface tension C. Pressure D. Loudness
8	The graph showing the variation of displacement with time is a	A. Sine curve B. Straight line C. Parabola D. None of these
9	In SHM, the acceleration is ______ when velocity is _____:	A. Zero, smallest B. Smallest, zero C. Zero, zero D. Zero, greatest
10	The wave form of SHM is	A. Pulsed wave B. Square wave C. Triangular waved D. Sine wave

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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 graph showing the variation of displacement with time is a

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

The time taken to complete one vibration is called:

When a body is vibrating, the displacement from mean position

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

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:

Amplitude in SHM is equivalent to_____ in circular motion:

In vibrational motion(SHM)

Hertz is unit of:

Amplitude in SHM is equivalent to ______ in circular motion:

An oscillating body oscillates due to:

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

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

The S.I unit of frequency is

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

Free oscillations are always produced by:

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

In SHM, the acceleration is ______ when velocity is _____:

The unit of spring constant is

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

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

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

In SHM, there is always a constant ratio between displacement if body and its:

The restoring force is always directed towards:

Which one of the following is an example of SHM:

The displacement of body executing SHM is

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.

The wave form of SHM is

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

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

In SHM, the acceleration is __ when velocity is _:

The restoring force is and opposite tot he applied force within

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