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

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

Question # 2

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

Question # 3

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

Question # 4

Second's pendulum is the pendulum whose time period 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

The time period of a simple pendulum is independent of its:

Question # 7

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

Question # 8

Which one of the following is an example of SHM:

Question # 9

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

Question # 10

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

Question # 11

Amplitude in SHM is equivalent to ______ in circular motion

Question # 12

An oscillating body oscillates due to:

Question # 13

When a body is vibrating, the displacement from mean position

Question # 14

The acceleration of body executing SHM is directly proportional to

Question # 15

The unit of spring constant is:

Question # 16

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

Question # 17

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 # 18

The restoring force is always directed towards:

Question # 19

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

Question # 20

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

Question # 21

The graph showing the variation of displacement with time is a

Question # 22

A body with frequency would complete one vibration in:

Question # 23

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

Question # 24

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

Question # 25

A body with frequency of would complete one vibration in:

Question # 26

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

Question # 27

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

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

Which one of the following is an example of SHM

Question # 30

When quarter of a circle is completed, phase of vibration 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. Vibrator, chord
C. SHM, diameter
D. SHM, circumference
2 Which of the following quantity for particle executing SHM is non-zero at mean position
A. Force
B. Acceleration
C. Velocity
D. Displacement
3 The time period of a simple pendulum is independent of its:
A. Length
B. Mass
C. Value of g
D. Both A and B
4 The wave form of SHM is
A. Pulsed wave
B. Square wave
C. Triangular waved
D. Sine wave
5 A body with frequency would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
6 An angle of 180° in circular motion is equivalent to ______ in SHM.
A. Half the vibration
B. One vibration
C. 3/4th of a vibration
D. None of these
7 The unit of spring constant is
A. J-sec
B. Metre
C. Nm-1
D. None of these
8 The S.I unit of frequency is
A. Vibrations s-2
B. Ms-1
C. Hertz
D. s-1
9 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
10 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

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