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

Question # 1

The time taken to complete one vibration is called:

Frequency A
Amplitude B
Time C
Time period D

Question # 2

Amplitude in SHM is equivalent to ______ in circular motion:

Diameter A
Radius B
Circumference C
None of these D

Question # 3

The acceleration of body executing SHM is directly proportional to

Applied force A
Amplitude B
Displacement C
Frictional force D

Question # 4

Which of the following is an example of SHM(in ideal situations)

Motion of simple pendulum A
Motion of horizontal spring man system B
Motion of violin string C
All of these D

Question # 5

A body of mass 0.031 kg attached to one end of a spring of spring constant 0.3 N/m, then time period of spring mass system will be:

1.5 sec A
2.0 sec B
2.3 sec C
2.5 sec D

Question # 6

An object undergoes SHM. Its maximum equilibrium positions:

Maximum A
Half of its maximum value B
Zero C
None D

Question # 7

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 # 8

An oscillating body oscillates due to:

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

Question # 9

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 # 10

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

Velocity A
Period B
Mass C
Acceleration D

Question # 11

The SI unit of spring constant is identical with that of

Force A
Surface tension B
Pressure C
Loudness D

Question # 12

The displacement of body executing SHM is

x_ocoswt A
x_osinwt B
x_osin²wt C
Both A, B D

Question # 13

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 # 14

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

90° A
180° B
45° C
360° D

Question # 15

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

Infinity A
Maximum B
Zero C
Minimum D

Question # 16

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 # 17

The S.I unit of frequency is

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

Question # 18

SHM is type of ______ motion

Vibratory A
Linear B
Circular C
None D

Question # 19

Amplitude is the displacement of the vibrating body from:

One extreme position to the other extreme position A
Mean position any one extreme position B
Both A and B are correct C
None of these D

Question # 20

A particle moving uniformly along circle its projection along diameter performs

Linear motion A
Projectile motion B
SHM C
Rotatory motion D

Question # 21

The unit of spring constant is:

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

Question # 22

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 # 23

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 # 24

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 # 25

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 # 26

Hertz is unit of:

Time period A
Displacement B
Amplitude C
Frequency D

Question # 27

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

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

Question # 28

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 # 29

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 # 30

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

Sr.#	Question	Answer
1	The graph showing the variation of displacement with time is a:	A. Sine curve B. Straight line C. Parabola D. None of these
2	A particle moving uniformly along circle its projection along diameter performs	A. Linear motion B. Projectile motion C. SHM D. Rotatory motion
3	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
4	When quarter of a circle is completed, phase of vibration is:	A. 90° B. 180° C. 45° D. 360°
5	Which of the following forces is responsible for SHM	A. Applied force B. Restoring force C. Fractional force D. Elastic force
6	A particle is moving along a circular path with uniform speed. Its projection will execute____along the____of the circle:	A. Circular motion, circumference B. Vibrator, chord C. SHM, diameter D. SHM, circumference
7	Acceleration of body executing SHM is always directed towards	A. Extreme position B. Mean position C. Along the direction of motion D. None
8	If a mass of 10 gm is suspended from a spring of k = 9.8 Nm^-1, then the extension will be:	A. 1 cm B. 1 m C. 10 mm D. None of these
9	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
10	The acceleration of body executing SHM is directly proportional to	A. Applied force B. Amplitude C. Displacement D. Frictional 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

The time taken to complete one vibration is called:

Amplitude in SHM is equivalent to ______ in circular motion:

The acceleration of body executing SHM is directly proportional to

Which of the following is an example of SHM(in ideal situations)

A body of mass 0.031 kg attached to one end of a spring of spring constant 0.3 N/m, then time period of spring mass system will be:

An object undergoes SHM. Its maximum equilibrium positions:

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

An oscillating body oscillates 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:

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

The SI unit of spring constant is identical with that of

The displacement of body executing SHM is

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

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

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

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

The S.I unit of frequency is

SHM is type of ______ motion

Amplitude is the displacement of the vibrating body from:

A particle moving uniformly along circle its projection along diameter performs

The unit of spring constant is:

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

Which one of the following is an example of SHM

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

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

Hertz is unit of:

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

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

In vibrational motion(SHM)

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

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

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

The restoring force is and opposite tot he applied force within

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