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

An object undergoes SHM. Its maximum equilibrium positions:

Question # 2

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

Question # 3

If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:

Question # 4

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

Question # 5

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 6

The S.I unit of frequency is

Question # 7

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

Question # 8

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

Question # 9

The SI unit of spring constant is identical with that of:

Question # 10

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 # 11

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

Acceleration of body executing SHM is always directed towards

Question # 16

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

Question # 17

The unit of spring constant is

Question # 18

An oscillating body oscillates due to:

Question # 19

The string of a simple pendulum should be:

Question # 20

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

Question # 21

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

Question # 22

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

Question # 23

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

Question # 24

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

Question # 25

In vibrational motion(SHM)

Question # 26

Which one of the following is an example of SHM:

Question # 27

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

Question # 28

The displacement of body executing SHM is

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Which of the following forces is responsible for SHM
A. Applied force
B. Restoring force
C. Fractional force
D. Elastic force
2 If a force of 0.05 N produces an elongation of 20 mm in a string, then its spring constant will be:
A. 250 N m-1
B. 25 N m-1
C. 2.5 N m-1
D. None of these
3 Distance covered during one vibration of an oscillating body in terms of amplitude A is:
A. A
B. 2 A
C. 3 A
D. 4 A
4 The wave form of SHM is
A. Pulsed wave
B. Square wave
C. Triangular waved
D. Sine wave
5 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
6 The time taken to complete one vibration is called:
A. Frequency
B. Amplitude
C. Time
D. Time period
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 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
9 Amplitude is the displacement of the vibrating body from:
A. One extreme position to the other extreme position
B. Mean position any one extreme position
C. Both A and B are correct
D. None of these
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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