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

Question # 1

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 # 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 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 # 4

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 # 5

The graph showing the variation of displacement with time is a

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

Question # 6

Amplitude in SHM is equivalent to_____ in circular motion:

Diameter A
Radius B
Circumference C
None of these D

Question # 7

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

90° A
180° B
45° C
360° D

Question # 8

The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.

f A
2 f B
3 f C
1/2 f D

Question # 9

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

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

Question # 10

A body with frequency of would complete one vibration in:

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

Question # 11

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 # 12

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 # 13

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 # 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

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 # 16

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

90° A
180° B
45° C
360° D

Question # 17

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 # 18

A body with frequency would complete one vibration in:

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

Question # 19

SHM is type of ______ motion

Vibratory A
Linear B
Circular C
None D

Question # 20

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

90° A
180° B
45° C
360° D

Question # 21

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 # 22

The S.I unit of frequency is

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

Question # 23

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

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

Question # 24

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 # 25

The unit of spring constant is

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

Question # 26

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

Translatory motion A
Vibratory motion B
Rotatory motion C
None of these D

Question # 27

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 # 28

Acceleration of body executing SHM is always directed towards

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

Question # 29

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 # 30

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

Sr.#	Question	Answer
1	Amplitude in SHM is equivalent to_____ in circular motion:	A. Diameter B. Radius C. Circumference D. None of these
2	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
3	When quarter of a cycle is completed, the phase of vibration is:	A. 90° B. 180° C. 45° D. 360°
4	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:	A. 4 gms B. 0.4 gm C. 40 gms D. None of these
5	The time taken to complete one vibration is called:	A. Frequency B. Amplitude C. Time D. Time period
6	If time period of a pendulum is doubled by increasing its length, then its frequency will	A. Also be doubled B. Become half C. Become one fourth D. Becomes four times
7	Amplitude in SHM is equivalent to ______ in circular motion:	A. Diameter B. Radius C. Circumference D. None of these
8	SHM is type of ______ motion	A. Vibratory B. Linear C. Circular D. None
9	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
10	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

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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

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:

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

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

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

The graph showing the variation of displacement with time is a

Amplitude in SHM is equivalent to_____ in circular motion:

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

The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.

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

A body with frequency of would complete one vibration in:

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

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

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

When a body is vibrating, the displacement from mean position:

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

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

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

A body with frequency would complete one vibration in:

SHM is type of ______ motion

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

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

The S.I unit of frequency is

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

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

The unit of spring constant is

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

When a body is vibrating, the displacement from mean position

Acceleration of body executing SHM is always directed towards

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

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

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