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 a body is vibrating, the displacement from mean position:

Question # 2

The displacement of body executing SHM is

Question # 3

The restoring force is always directed towards:

Question # 4

Amplitude is the displacement of the vibrating body from:

Question # 5

Which one of the following is an example of SHM

Question # 6

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

Question # 7

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

Question # 8

Vibratory motion is always under

Question # 9

Which of the following forces is responsible for SHM

Question # 10

Hertz is unit of:

Question # 11

The acceleration of body executing SHM is directly proportional to

Question # 12

A particle moving uniformly along circle its projection along diameter performs

Question # 13

Amplitude in SHM is equivalent to ______ in circular motion

Question # 14

Acceleration of body executing SHM is always directed towards

Question # 15

The SI unit of spring constant is identical with that of

Question # 16

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

Question # 17

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

Question # 18

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 # 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

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

Question # 21

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

Question # 22

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

Question # 23

Which of the following quantity for particle executing SHM is non-zero at mean position

Question # 24

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

Question # 25

The graph showing the variation of displacement with time is a

Question # 26

Velocity of particle executing SHM will be maximum at

Question # 27

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

Question # 28

The string of a simple pendulum should be:

Question # 29

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

Question # 30

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

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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 Amplitude in SHM is equivalent to ______ in circular motion
A. Diameter
B. Radius
C. Circumference
D. None of these
3 The string of a simple pendulum should be:
A. Heavy
B. Extensible
C. In-extensible
D. None of these
4 Which of the following quantity for particle executing SHM is non-zero at mean position
A. Force
B. Acceleration
C. Velocity
D. Displacement
5 The graph showing the variation of displacement with time is a
A. Sine curve
B. Straight line
C. Parabola
D. None of these
6 When quarter of a circle is completed, phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
7 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
8 A body with frequency would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
9 In SHM, there is always a constant ratio between displacement if body and its:
A. Velocity
B. Period
C. Mass
D. Acceleration
10 The time taken to complete one vibration is called:
A. Frequency
B. Amplitude
C. Time
D. Time period

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