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

Question # 1

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 # 2

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 # 3

An oscillating body oscillates due to:

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

Question # 4

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 # 5

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

Force A
Acceleration B
Velocity C
Displacement D

Question # 6

The restoring force is always directed towards:

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

Question # 7

Amplitude in SHM is equivalent to ______ in circular motion

Diameter A
Radius B
Circumference C
None of these D

Question # 8

Which of the following forces is responsible for SHM

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

Question # 9

Free oscillations are always produced by:

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

Question # 10

Hertz is unit of:

Time period A
Displacement B
Amplitude C
Frequency D

Question # 11

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 # 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

The unit of spring constant is:

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

Question # 14

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 # 15

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

Velocity A
Period B
Mass C
Acceleration D

Question # 16

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 # 17

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 # 18

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 # 19

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 # 20

SHM is type of ______ motion

Vibratory A
Linear B
Circular C
None D

Question # 21

The SI unit of spring constant is identical with that of

Force A
Surface tension B
Pressure C
Loudness D

Question # 22

The graph showing the variation of displacement with time is a

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

Question # 23

An object undergoes SHM. Its maximum equilibrium positions:

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

Question # 24

A body with frequency would complete one vibration in:

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

Question # 25

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 # 26

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

90° A
180° B
45° C
360° D

Question # 27

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 # 28

Amplitude in SHM is equivalent to ______ in circular motion:

Diameter A
Radius B
Circumference C
None of these D

Question # 29

The wave form of SHM is

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

Question # 30

The acceleration of body executing SHM is directly proportional to

Applied force A
Amplitude B
Displacement C
Frictional force D

Sr.#	Question	Answer
1	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
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	If a force of 0.05 N produces an elongation of 20 mm in 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
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	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
6	SHM is type of ______ motion	A. Vibratory B. Linear C. Circular D. None
7	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
8	Vibratory motion is always under	A. Applied force B. Restoring force C. Periodic force D. Gravitational force
9	When quarter of a cycle is completed, the phase of vibration is:	A. 90° B. 180° C. 45° D. 360°
10	Distance covered during one vibration of an oscillating body in terms of amplitude A is:	A. A B. 2 A C. 3 A D. 4 A

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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

Which one of the following is an example of SHM:

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