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 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

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 # 4

The wave form of SHM is

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

Question # 5

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 # 6

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 # 7

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 # 8

The time taken to complete one vibration is called:

Frequency A
Amplitude B
Time C
Time period D

Question # 9

Which of the following forces is responsible for SHM

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

Question # 10

The time period of a simple pendulum is independent of its:

Length A
Mass B
Value of g C
Both A and B D

Question # 11

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 # 12

The unit of spring constant is

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

Question # 13

An oscillating body oscillates due to:

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

Question # 14

Acceleration of body executing SHM is always directed towards

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

Question # 15

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 # 16

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

90° A
180° B
45° C
360° D

Question # 17

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 # 18

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

Force A
Acceleration B
Velocity C
Displacement D

Question # 19

The unit of spring constant is:

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

Question # 20

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 # 21

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

Velocity A
Period B
Mass C
Acceleration D

Question # 22

When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:

Increases A
Decreases B
Remains constant C
None of these D

Question # 23

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 # 24

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 # 25

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 # 26

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

Force A
Surface tension B
Pressure C
Loudness D

Question # 27

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 # 28

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 # 29

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 # 30

The string of a simple pendulum should be:

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

Sr.#	Question	Answer
1	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
2	When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:	A. Increases B. Decreases C. Remains constant D. None of these
3	Which of the following is an example of SHM(in ideal situations)	A. Motion of simple pendulum B. Motion of horizontal spring man system C. Motion of violin string D. All of these
4	If there identical strings each of constant K are hooked together the spring constant of resultant spring will be:	A. 3 K B. 2 K C. K/4 D. K/3
5	Free oscillations are always produced by:	A. An applied force B. Gravitational force C. Restoring force and inertia D. Inertia only
6	The time period of a simple pendulum is independent of its:	A. Length B. Mass C. Value of g D. Both A and B
7	To and fro motion of a body is about its mean position is known as:	A. Translatory motion B. Vibratory motion C. Rotatory motion D. None of these
8	The SI unit of spring constant is identical with that of	A. Force B. Surface tension C. Pressure D. Loudness
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	An oscillating body oscillates due to:	A. Applied force B. Restoring force C. Frictional force D. None of these

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