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

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

Question # 2

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:

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

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:

Question # 10

Hertz is unit of:

Question # 11

Velocity of particle executing SHM will be maximum at

Question # 12

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

Question # 13

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

Question # 14

Free oscillations are always produced by:

Question # 15

The displacement of body executing SHM is

Question # 16

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

Question # 17

A particle moving uniformly along circle its projection along diameter performs

Question # 18

Which of the following forces is responsible for SHM

Question # 19

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 # 20

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 21

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

Question # 22

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

Question # 23

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

Question # 24

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

Question # 25

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

Question # 26

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

Question # 27

SHM is type of ______ motion

Question # 28

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

Question # 29

The graph showing the variation of displacement with time is a

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Amplitude in SHM is equivalent to_____ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
2 An object undergoes SHM. Its maximum equilibrium positions:
A. Maximum
B. Half of its maximum value
C. Zero
D. None
3 To and from motion of a body about its mean position is known as:
A. Translatory motion
B. Vibratory motion
C. Rotatory motion
D. None of these
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 time taken to complete one vibration is called:
A. Frequency
B. Amplitude
C. Time
D. Time period
6 When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:
A. Increases
B. Decreases
C. Remains constant
D. None of these
7 Acceleration of body executing SHM is always directed towards
A. Extreme position
B. Mean position
C. Along the direction of motion
D. None
8 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
9 In SHM, there is always a constant ratio between displacement if body and its:
A. Velocity
B. Period
C. Mass
D. Acceleration
10 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

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