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

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

Question # 2

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

Question # 3

A body with frequency would complete one vibration in:

Question # 4

When a body is vibrating, the displacement from mean position

Question # 5

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

Question # 6

Amplitude in SHM is equivalent to ______ in circular motion

Question # 7

The maximum distance of body from mean position when body is executing SHM is called

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

The graph showing the variation of displacement with time is a

Question # 12

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

Question # 13

In vibrational motion(SHM)

Question # 14

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

Question # 15

The time taken to complete one vibration is called:

Question # 16

The acceleration of body executing SHM is directly proportional to

Question # 17

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

Question # 18

Hertz is unit of:

Question # 19

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

Question # 20

A body with frequency of would complete one vibration in:

Question # 21

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

Question # 22

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

Question # 23

SHM is type of ______ motion

Question # 24

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

Question # 25

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 26

Acceleration of body executing SHM is always directed towards

Question # 27

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

Question # 28

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

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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. Vibratory, chord
C. SHM, diameter
D. SHM, circumference
2 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
3 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:
A. 4 gms
B. 0.4 gms
C. 40 gms
D. None of these
4 If a force of 0.05 N produces an elongation of 20 mm in 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
5 The body oscillates due to _____ accelerates and overshoots the rest position due to______,:
A. Applied force, inertial
B. Restoring force, friction
C. Frictional force, inertial
D. Restoring force, inertial
6 In SHM, there is always a constant ratio between displacement if body and its:
A. Velocity
B. Period
C. Mass
D. Acceleration
7 The S.I unit of frequency is
A. Vibrations s-2
B. Ms-1
C. Hertz
D. s-1
8 Velocity of particle executing SHM will be maximum at
A. Extreme position
B. Mean position
C. b/w mean and extreme
D. None
9 The acceleration of body executing SHM is directly proportional to
A. Applied force
B. Amplitude
C. Displacement
D. Frictional force
10 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

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