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

Question # 1

The S.I unit of frequency is

Vibrations s^-2 A
Ms^-1 B
Hertz C
s^-1 D

Question # 2

If a force of 0.05 N produces an elongation of 20 mm in a 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 # 3

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 # 4

A particle executes SHM with frequency. The frequency with which its K.E oscillates is

f/2 A
2f B
f C
4f D

Question # 5

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 # 6

Free oscillations are always produced by:

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

Question # 7

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 # 8

The displacement of body executing SHM is

x_ocoswt A
x_osinwt B
x_osin²wt C
Both A, B D

Question # 9

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 # 10

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 # 11

A body of mass 0.031 kg attached to one end of a spring of spring constant 0.3 N/m, then time period of spring mass system will be:

1.5 sec A
2.0 sec B
2.3 sec C
2.5 sec D

Question # 12

The string of a simple pendulum should be:

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

Question # 13

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 # 14

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

90° A
180° B
45° C
360° 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

A body with frequency would complete one vibration in:

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

Question # 17

The unit of spring constant is

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

Question # 18

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

90° A
180° B
45° C
360° D

Question # 19

Amplitude in SHM is equivalent to ______ in circular motion

Diameter A
Radius B
Circumference C
None of these D

Question # 20

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 # 21

The graph showing the variation of displacement with time is a:

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

Question # 22

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 # 23

The time taken to complete one vibration is called:

Frequency A
Amplitude B
Time C
Time period D

Question # 24

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 # 25

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 # 26

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 # 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

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

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

Velocity A
Period B
Mass C
Acceleration D

Sr.#	Question	Answer
1	When quarter of a circle is completed, the phase of vibration is:	A. 90° B. 180° C. 45° D. 360°
2	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
3	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
4	The number of vibration in two seconds can be expressed as ______ of frequency of vibration is f:	A. f B. 2 f C. 3 f D. 1/2 f
5	The wave form of SHM is	A. Pulsed wave B. Square wave C. Triangular waved D. Sine wave
6	A body with frequency of would complete one vibration in:	A. f seconds B. 1/f seconds C. 1 second D. f²second
7	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
8	The acceleration of body executing SHM is directly proportional to	A. Applied force B. Amplitude C. Displacement D. Frictional force
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 S.I unit of frequency is	A. Vibrations s^-2 B. Ms^-1 C. Hertz D. s^-1

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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 S.I unit of frequency is

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

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

A particle executes SHM with frequency. The frequency with which its K.E oscillates 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:

Free oscillations are always produced by:

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:

The displacement of body executing SHM is

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

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

A body of mass 0.031 kg attached to one end of a spring of spring constant 0.3 N/m, then time period of spring mass system will be:

The string of a simple pendulum should be:

Which one of the following is an example of SHM:

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

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

A body with frequency would complete one vibration in:

The unit of spring constant is

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

Amplitude in SHM is equivalent to ______ in circular motion

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

The graph showing the variation of displacement with time is a:

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

The time taken to complete one vibration is called:

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

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

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

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

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:

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

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