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

Question # 1

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 # 2

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 # 3

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 # 4

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 # 5

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

Question # 6

The unit of spring constant is:

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

Question # 7

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 # 8

An oscillating body oscillates due to:

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

Question # 9

Second's pendulum is the pendulum whose time period is:

1 second A
2 second B
3 second C
None of these D

Question # 10

The SI unit of spring constant is identical with that of

Force A
Surface tension B
Pressure C
Loudness D

Question # 11

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 # 12

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 # 13

The unit of spring constant is

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

Question # 14

Which of the following forces is responsible for SHM

Applied force A
Restoring force B
Fractional force C
Elastic force D

Question # 15

The SI unit of spring constant is identical with that of:

Force A
Surface tension B
Pressure C
Loudness D

Question # 16

A particle moving uniformly along circle its projection along diameter performs

Linear motion A
Projectile motion B
SHM C
Rotatory motion D

Question # 17

Velocity of particle executing SHM will be maximum at

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

Question # 18

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 # 19

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

90° A
180° B
45° C
360° D

Question # 20

The string of a simple pendulum should be:

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

Question # 21

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 # 22

Acceleration of body executing SHM is always directed towards

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

Question # 23

The time taken to complete one vibration is called:

Frequency A
Amplitude B
Time C
Time period D

Question # 24

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 # 25

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 # 26

The acceleration of body executing SHM is directly proportional to

Applied force A
Amplitude B
Displacement C
Frictional force D

Question # 27

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 # 28

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 # 29

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

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

Question # 30

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

Velocity A
Period B
Mass C
Acceleration D

Sr.#	Question	Answer
1	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
2	The unit of spring constant is:	A. J-sec B. Metre C. Nm^-1 D. None of these
3	Which one of the following is an example of SHM	A. Motion in a plane B. Motion in a swing C. Motion in a car D. None of these
4	Hertz is unit of:	A. Time period B. Displacement C. Amplitude D. Frequency
5	The SI unit of spring constant is identical with that of:	A. Force B. Surface tension C. Pressure D. Loudness
6	In SHM, there is always a constant ratio between displacement if body and its:	A. Velocity B. Period C. Mass D. Acceleration
7	The graph showing the variation of displacement with time is a	A. Sine curve B. Straight line C. Parabola D. None of these
8	Free oscillations are always produced by:	A. An applied force B. Gravitational force C. Restoring force and inertia D. Inertia only
9	The S.I unit of frequency is	A. Vibrations s^-2 B. Ms^-1 C. Hertz D. s^-1
10	When quarter of a circle is completed, the phase of vibration is:	A. 90° B. 180° C. 45° D. 360°

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

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

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

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

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

The unit of spring constant is:

When a body is vibrating, the displacement from mean position

An oscillating body oscillates due to:

Second's pendulum is the pendulum whose time period is:

The SI unit of spring constant is identical with that of

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

The unit of spring constant is

Which of the following forces is responsible for SHM

The SI unit of spring constant is identical with that of:

A particle moving uniformly along circle its projection along diameter performs

Velocity of particle executing SHM will be maximum at

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

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

The string of a simple pendulum should be:

Which one of the following is an example of SHM:

Acceleration of body executing SHM is always directed towards

The time taken to complete one vibration is called:

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

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

The acceleration of body executing SHM is directly proportional to

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

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:

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

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

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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:

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

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

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: