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

SHM is type of ______ motion

Question # 2

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

Question # 3

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

Question # 4

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 # 5

In vibrational motion(SHM)

Question # 6

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 7

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

Question # 8

Vibratory motion is always under

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

Amplitude is the displacement of the vibrating body from:

Question # 16

When a body is vibrating, the displacement from mean position

Question # 17

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

Question # 18

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

Question # 19

The unit of spring constant is:

Question # 20

If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:

Question # 21

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

Question # 22

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

Question # 23

The graph showing the variation of displacement with time is a

Question # 24

The graph showing the variation of displacement with time is a:

Question # 25

The acceleration of body executing SHM is directly proportional to

Question # 26

The unit of spring constant is

Question # 27

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

Question # 28

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

Question # 29

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

Question # 30

The restoring force is always directed towards:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Second's pendulum is the pendulum whose time period is:
A. 1 second
B. 2 second
C. 3 second
D. None of these
2 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
3 SHM is type of ______ motion
A. Vibratory
B. Linear
C. Circular
D. None
4 In vibrational motion(SHM)
A. P.E remains conserved
B. Average K.E remain constant
C. Neither P.E nor K.E remains constant
D. Total energy remains constant
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 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
7 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
8 A particle executes SHM with frequency. The frequency with which its K.E oscillates is
A. f/2
B. 2f
C. f
D. 4f
9 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
10 The time taken to complete one vibration is called:
A. Frequency
B. Amplitude
C. Time
D. Time period

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