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

Question # 1

Amplitude in SHM is equivalent to ______ in circular motion:

Diameter A
Radius B
Circumference C
None of these D

Question # 2

The string of a simple pendulum should be:

Heavy A
Extensible B
In-extensible C
None of these 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 time taken to complete one vibration is called:

Frequency A
Amplitude B
Time C
Time period D

Question # 5

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 # 6

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

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

Question # 7

The acceleration of body executing SHM is directly proportional to

Applied force A
Amplitude B
Displacement C
Frictional force D

Question # 8

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

Velocity A
Period B
Mass C
Acceleration D

Question # 9

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 # 10

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

Force A
Acceleration B
Velocity C
Displacement D

Question # 11

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 # 12

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 # 13

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 # 14

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 # 15

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 # 16

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 # 17

If there identical strings each of constant K are hooked together the spring constant of resultant spring will be:

3 K A
2 K B
K/4 C
K/3 D

Question # 18

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

90° A
180° B
45° C
360° D

Question # 19

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 # 20

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 # 21

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

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

Question # 22

The unit of spring constant is

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

Question # 23

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 # 24

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 # 25

SHM is type of ______ motion

Vibratory A
Linear B
Circular C
None D

Question # 26

Free oscillations are always produced by:

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

Question # 27

The SI unit of spring constant is identical with that of

Force A
Surface tension B
Pressure C
Loudness D

Question # 28

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:

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

Question # 29

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 # 30

If a force of 0.05 N produces an elongation of 20 mm in a 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	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	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
3	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
4	An angle of 180° in circular motion is equivalent to ______ in SHM.	A. Half the vibration B. One vibration C. 3/4th of a vibration D. None of these
5	When quarter of a circle is completed, phase of vibration is:	A. 90° B. 180° C. 45° D. 360°
6	In SHM, there is always a constant ratio between displacement if body and its:	A. Velocity B. Period C. Mass D. Acceleration
7	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
8	If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:	A. 2500 MHz B. 0.25 MHz C. 2500 KHz D. None of these
9	The acceleration of body executing SHM is directly proportional to	A. Applied force B. Amplitude C. Displacement D. Frictional force
10	Vibratory motion is always under	A. Applied force B. Restoring force C. Periodic force D. Gravitational 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

Amplitude in SHM is equivalent to ______ in circular motion:

The string of a simple pendulum should be:

Amplitude in SHM is equivalent to ______ in circular motion

The time taken to complete one vibration is called:

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

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

The acceleration of body executing SHM is directly proportional to

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

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

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

An angle of 180° in circular motion is equivalent to ______ in SHM.

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

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

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

Which one of the following is an example of SHM

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

If there identical strings each of constant K are hooked together the spring constant of resultant spring will be:

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

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

When a body is vibrating, the displacement from mean position

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

The unit of spring constant is

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

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

SHM is type of ______ motion

Free oscillations are always produced by:

The SI unit of spring constant is identical with that of

A spring of constant k = 0.4 N m-1is to be extended thorugh 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:

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

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

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

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

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