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

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

The SI unit of spring constant is identical with that of

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

When a body is vibrating, the displacement from mean position

Question # 10

An angle of 180° in circular motion is equivalent to ______ in SHM.

Question # 11

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

Question # 12

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

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

SHM is type of ______ motion

Question # 15

An oscillating body oscillates due to:

Question # 16

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

Question # 17

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

Question # 18

The unit of spring constant is:

Question # 19

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

Question # 20

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

Question # 21

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

Question # 22

Vibratory motion is always under

Question # 23

The graph showing the variation of displacement with time is a

Question # 24

Amplitude is the displacement of the vibrating body from:

Question # 25

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

Question # 26

Which of the following forces is responsible for SHM

Question # 27

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 28

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

Question # 29

A body with frequency would complete one vibration in:

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:
A. 10 cm
B. 1 m
C. 10 mn
D. None of these
2 The time period of a simple pendulum is independent of its:
A. Length
B. Mass
C. Value of g
D. Both A and B
3 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion
4 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
5 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
6 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
7 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
8 If a given spring of spring constant k is cut into two indentical segments, the spring constant of each segment is:
A. k/2
B. 2 k
C. 4 k
D. None of these
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 Amplitude in SHM is equivalent to_____ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these

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