ECAT Pre General Science Physics Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 7 Oscillations

Try The MCQ's Test For ECAT Pre General Science Physics Chapter 7 Oscillations

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ECAT Pre General Science Physics Chapter 7 Oscillations

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Question # 1

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

Question # 2

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

Question # 3

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

Question # 4

Distance covered during one vibration of an oscillating body in terms of amplitude A is:

Question # 5

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

Question # 6

A body with frequency would complete one vibration in:

Question # 7

The unit of spring constant is

Question # 8

A body with frequency of would complete one vibration in:

Question # 9

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

Question # 10

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 11

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

Question # 12

Which one of the following is an example of SHM

Question # 13

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:

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

An object undergoes SHM. Its maximum equilibrium positions:

Question # 18

Vibratory motion is always under

Question # 19

Hertz is unit of:

Question # 20

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

Question # 21

The displacement of body executing SHM is

Question # 22

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

Question # 23

Free oscillations are always produced by:

Question # 24

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

Question # 25

The S.I unit of frequency is

Question # 26

The SI unit of spring constant is identical with that of

Question # 27

The acceleration of body executing SHM is directly proportional to

Question # 28

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

Question # 29

Amplitude is the displacement of the vibrating body from:

Question # 30

Which of the following forces is responsible for SHM

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 Amplitude in SHM is equivalent to_____ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
3 Hertz is unit of:
A. Time period
B. Displacement
C. Amplitude
D. Frequency
4 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
5 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
6 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
7 When quarter of a circle is completed, phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
8 A particle is moving along a circular path with uniform speed. Its projection will execute____along the____of the circle:
A. Circular motion, circumference
B. Vibrator, chord
C. SHM, diameter
D. SHM, circumference
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 If a force of 0.05 N produces an elongation of 20 mm in a 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

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