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

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 # 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

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

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

Question # 5

The acceleration of body executing SHM is directly proportional to

Applied force A
Amplitude B
Displacement C
Frictional force D

Question # 6

The wave form of SHM is

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

Question # 7

Hertz is unit of:

Time period A
Displacement B
Amplitude C
Frequency D

Question # 8

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 # 9

The SI unit of spring constant is identical with that of

Force A
Surface tension B
Pressure C
Loudness D

Question # 10

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 # 11

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

90° A
180° B
45° C
360° D

Question # 12

A body with frequency would complete one vibration in:

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

Question # 13

The displacement of body executing SHM is

x_ocoswt A
x_osinwt B
x_osin²wt C
Both A, B D

Question # 14

An oscillating body oscillates due to:

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

Question # 15

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 # 16

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 # 17

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 # 18

The restoring force is always directed towards:

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

Question # 19

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 # 20

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

Velocity A
Period B
Mass C
Acceleration D

Question # 21

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 # 22

The string of a simple pendulum should be:

Heavy A
Extensible B
In-extensible C
None of these D

Question # 23

Free oscillations are always produced by:

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

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 # 26

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 # 27

A particle moving uniformly along circle its projection along diameter performs

Linear motion A
Projectile motion B
SHM C
Rotatory motion D

Question # 28

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 # 29

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 # 30

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

Sr.#	Question	Answer
1	Acceleration of body executing SHM is always directed towards	A. Extreme position B. Mean position C. Along the direction of motion D. None
2	The graph showing the variation of displacement with time is a	A. Sine curve B. Straight line C. Parabola D. None of these
3	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
4	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
5	A particle moving uniformly along circle its projection along diameter performs	A. Linear motion B. Projectile motion C. SHM D. Rotatory motion
6	When quarter of a cycle is completed, the phase of vibration is:	A. 90° B. 180° C. 45° D. 360°
7	Free oscillations are always produced by:	A. An applied force B. Gravitational force C. Restoring force and inertia D. Inertia only
8	The number of vibration in two seconds can be expressed as ______ of frequency of vibration is f:	A. f B. 2 f C. 3 f D. 1/2 f
9	If time period of a pendulum is doubled by increasing its length, then its frequency will	A. Also be doubled B. Become half C. Become one fourth D. Becomes four times
10	In SHM, there is always a constant ratio between displacement if body and its:	A. Velocity B. Period C. Mass D. Acceleration

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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:

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

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

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

The acceleration of body executing SHM is directly proportional to

The wave form of SHM is

Hertz is unit of:

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

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

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

A body with frequency would complete one vibration in:

The displacement of body executing SHM is

An oscillating body oscillates due to:

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

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

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

The restoring force is always directed towards:

When a body is vibrating, the displacement from mean position

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

When a body is vibrating, the displacement from mean position:

The string of a simple pendulum should be:

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:

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

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

A particle moving uniformly along circle its projection along diameter performs

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

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

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

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