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

Question # 1

The wave form of SHM is

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

Question # 2

Which of the following forces is responsible for SHM

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

Question # 3

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 # 4

SHM is type of ______ motion

Vibratory A
Linear B
Circular C
None D

Question # 5

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

Velocity A
Period B
Mass C
Acceleration D

Question # 6

Hertz is unit of:

Time period A
Displacement B
Amplitude C
Frequency D

Question # 7

The unit of spring constant is:

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

Question # 8

The restoring force is always directed towards:

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

Question # 9

A body with frequency would complete one vibration in:

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

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 # 12

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 # 13

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 # 14

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 # 15

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 # 16

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 # 17

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 # 18

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 # 19

Amplitude in SHM is equivalent to ______ in circular motion:

Diameter A
Radius B
Circumference C
None of these D

Question # 20

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 # 21

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 # 22

Velocity of particle executing SHM will be maximum at

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

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

Force A
Surface tension B
Pressure C
Loudness D

Question # 25

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 # 26

Vibratory motion is always under

Applied force A
Restoring force B
Periodic force C
Gravitational force D

Question # 27

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

90° A
180° B
45° C
360° D

Question # 28

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 # 29

The time taken to complete one vibration is called:

Frequency A
Amplitude B
Time C
Time period D

Question # 30

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

Force A
Acceleration B
Velocity C
Displacement D

Sr.#	Question	Answer
1	Second's pendulum is the pendulum whose time period is:	A. 1 second B. 2 second C. 3 second D. None of these
2	The SI unit of spring constant is identical with that of:	A. Force B. Surface tension C. Pressure D. Loudness
3	The SI unit of spring constant is identical with that of	A. Force B. Surface tension C. Pressure D. Loudness
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	If mass of 10 gm is suspended from a spring of K=0.8 Nm^-1then the extension will be:	A. 10 cm B. 1 m C. 10 mn D. None of these
6	When quarter of a cycle is completed, the phase of vibration is:	A. 90° B. 180° C. 45° D. 360°
7	Amplitude in SHM is equivalent to ______ in circular motion:	A. Diameter B. Radius C. Circumference D. None of these
8	The unit of spring constant is	A. J-sec B. Metre C. Nm^-1 D. None of these
9	The body oscillates due to ______ accelerates and overshoots the rest position due to _____:	A. Applied force , inertia B. Restoring force, friction C. Frictional force, inertia D. Restoring force, inertia
10	The wave form of SHM is	A. Pulsed wave B. Square wave C. Triangular waved D. Sine wave

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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 wave form of SHM is

Which of the following forces is responsible for SHM

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

SHM is type of ______ motion

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

Hertz is unit of:

The unit of spring constant is:

The restoring force is always directed towards:

A body with frequency would complete one vibration in:

The SI unit of spring constant is identical with that of

In vibrational motion(SHM)

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

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

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:

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

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

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

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

Amplitude in SHM is equivalent to ______ in circular motion:

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

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

Velocity of particle executing SHM will be maximum at

Free oscillations are always produced by:

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

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

Vibratory motion is always under

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

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

The time taken to complete one vibration is called:

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

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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:

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

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

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