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

Question # 1

The displacement of body executing SHM is

x_ocoswt A
x_osinwt B
x_osin²wt C
Both A, B D

Question # 2

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

Force A
Surface tension B
Pressure C
Loudness D

Question # 3

The unit of spring constant is:

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

Question # 4

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 # 5

The graph showing the variation of displacement with time is a

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

Question # 6

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 # 7

Which of the following forces is responsible for SHM

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

Question # 8

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 # 9

The SI unit of spring constant is identical with that of

Force A
Surface tension B
Pressure C
Loudness D

Question # 10

An object undergoes SHM. Its maximum equilibrium positions:

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

Question # 11

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 # 12

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 # 13

The unit of spring constant is

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

Question # 14

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 # 15

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

Question # 16

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 # 17

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 # 18

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 # 19

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 # 20

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 # 21

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 # 22

Hertz is unit of:

Time period A
Displacement B
Amplitude C
Frequency D

Question # 23

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

90° A
180° B
45° C
360° 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

The restoring force is _ and 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 # 26

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 # 27

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 # 28

Free oscillations are always produced by:

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

Question # 29

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 # 30

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

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 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
3	The SI unit of spring constant is identical with that of	A. Force B. Surface tension C. Pressure D. Loudness
4	Amplitude in SHM is equivalent to_____ in circular motion:	A. Diameter B. Radius C. Circumference D. None of these
5	The restoring force is _____ and opposite to the applied force within ______,:	A. Equal, elastic limit B. Different, the walls of the laboratory C. Different, elastic limit D. None of these
6	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
7	A particle moving uniformly along circle its projection along diameter performs	A. Linear motion B. Projectile motion C. SHM D. Rotatory motion
8	The SI unit of spring constant is identical with that of:	A. Force B. Surface tension C. Pressure D. Loudness
9	Acceleration of body executing SHM is always directed towards	A. Extreme position B. Mean position C. Along the direction of motion D. None
10	An object undergoes SHM. Its maximum equilibrium positions:	A. Maximum B. Half of its maximum value C. Zero D. None

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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 displacement of body executing SHM is

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

The unit of spring constant is:

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

The graph showing the variation of displacement with time is a

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

Which of the following forces is responsible for SHM

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

The SI unit of spring constant is identical with that of

An object undergoes SHM. Its maximum equilibrium positions:

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

Which one of the following is an example of SHM:

The unit of spring constant is

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

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

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

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

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

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

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

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

Hertz is unit of:

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

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

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

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

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

Free oscillations are always produced by:

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:

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

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