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

The time taken to complete one vibration is called:

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

A particle is moving along a circular path with uniform speed. Its projection will execute____along the____of the circle:

Question # 6

Free oscillations are always produced by:

Question # 7

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

Question # 8

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

Question # 9

Which one of the following is an example of SHM:

Question # 10

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

Question # 11

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

Question # 12

Vibratory motion is always under

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

The restoring force is always directed towards:

Question # 17

Hertz is unit of:

Question # 18

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

Question # 19

Amplitude is the displacement of the vibrating body from:

Question # 20

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

Question # 21

The unit of spring constant is:

Question # 22

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 23

Velocity of particle executing SHM will be maximum at

Question # 24

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 # 25

The unit of spring constant is

Question # 26

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

Question # 27

SHM is type of ______ motion

Question # 28

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

Question # 29

The graph showing the variation of displacement with time is a

Question # 30

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

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Sr.# Question Answer
1 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
2 If there identical strings each of constant K are hooked together the spring constant of resultant spring will be:
A. 3 K
B. 2 K
C. K/4
D. K/3
3 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
4 The acceleration of body executing SHM is directly proportional to
A. Applied force
B. Amplitude
C. Displacement
D. Frictional force
5 The restoring force is ______ amd opposite to the applied force within _____:
A. Equal, elastic limit
B. Different, the walls of the laboratory
C. Different, elastic limit
D. None of these
6 If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:
A. 2500 MHz
B. 0.25 MHz
C. 2500 KHz
D. None of these
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 If time period of a pendulum is doubled by increasing its length, then its frequency will
A. Also be doubled
B. Become half
C. Become one fourth
D. Becomes four times
9 The unit of spring constant is:
A. J-sec
B. Metre
C. Nm-1
D. None of these
10 The time period of a simple pendulum is independent of its:
A. Length
B. Mass
C. Value of g
D. Both A and B

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