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

Question # 1

The SI unit of spring constant is identical with that of

Force A
Surface tension B
Pressure C
Loudness D

Question # 2

The string of a simple pendulum should be:

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

Question # 3

Vibratory motion is always under

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

Question # 4

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 # 5

SHM is type of ______ motion

Vibratory A
Linear B
Circular C
None D

Question # 6

A body with frequency would complete one vibration in:

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

Question # 7

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 # 8

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 # 9

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

Force A
Acceleration B
Velocity C
Displacement D

Question # 10

Hertz is unit of:

Time period A
Displacement B
Amplitude C
Frequency D

Question # 11

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 # 12

In SHM, the acceleration is __ when velocity is _:

Zero, smallest A
Smallest, zero B
Zero, zero C
Zero, greatest D

Question # 13

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 # 14

Amplitude in SHM is equivalent to_____ in circular motion:

Diameter A
Radius B
Circumference C
None of these D

Question # 15

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 # 16

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 # 17

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

90° A
180° B
45° C
360° D

Question # 18

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

Velocity A
Period B
Mass C
Acceleration D

Question # 19

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 # 20

The unit of spring constant is

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

Question # 21

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

Infinity A
Maximum B
Zero C
Minimum D

Question # 22

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 # 23

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 # 24

The unit of spring constant is:

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

Question # 25

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 # 26

Velocity of particle executing SHM will be maximum at

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

Question # 27

Second's pendulum is the pendulum whose time period is:

1 second A
2 second B
3 second C
None of these D

Question # 28

A particle moving uniformly along circle its projection along diameter performs

Linear motion A
Projectile motion B
SHM C
Rotatory motion D

Question # 29

If a mass of 10 gm is suspended from a spring of k = 9.8 Nm^-1, then the extension will be:

1 cm A
1 m B
10 mm C
None of these D

Question # 30

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

Sr.#	Question	Answer
1	SHM is type of ______ motion	A. Vibratory B. Linear C. Circular D. None
2	An oscillating body oscillates due to:	A. Applied force B. Restoring force C. Frictional force D. None of these
3	When a body is vibrating, the displacement from mean position	A. Increases with time B. Decreases with time C. Changes with time D. None of these
4	When quarter of a circle is completed, the phase of vibration is:	A. 90° B. 180° C. 45° D. 360°
5	A particle executes SHM with frequency. The frequency with which its K.E oscillates is	A. f/2 B. 2f C. f D. 4f
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	The restoring force is ______ and opposite tot he applied force within ______	A. Equal, Elastic limit B. Different, The walls of the laboratory C. Different, Elastic limit D. None of these
8	Vibratory motion is always under	A. Applied force B. Restoring force C. Periodic force D. Gravitational force
9	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
10	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:	A. 4 gms B. 0.4 gms C. 40 gms 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 SI unit of spring constant is identical with that of

The string of a simple pendulum should be:

Vibratory motion is always under

When a body is vibrating, the displacement from mean position

SHM is type of ______ motion

A body with frequency would complete one vibration in:

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

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

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

Hertz is unit of:

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

In SHM, the acceleration is ______ when velocity is _____:

Amplitude is the displacement of the vibrating body from:

Amplitude in SHM is equivalent to_____ in circular motion:

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

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

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

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

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

The unit of spring constant is

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

Which one of the following is an example of SHM:

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

The unit of spring constant is:

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:

Velocity of particle executing SHM will be maximum at

Second's pendulum is the pendulum whose time period is:

A particle moving uniformly along circle its projection along diameter performs

If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:

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

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