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

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

Question # 3

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

Question # 4

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

Question # 5

The S.I unit of frequency is

Question # 6

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

Question # 7

Which of the following forces is responsible for SHM

Question # 8

The wave form of SHM is

Question # 9

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

Question # 10

The string of a simple pendulum should be:

Question # 11

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

Question # 12

Which one of the following is an example of SHM:

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

The unit of spring constant is:

Question # 17

Which one of the following is an example of SHM

Question # 18

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

Question # 19

An oscillating body oscillates due to:

Question # 20

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

Question # 21

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 # 22

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

Question # 23

An object in SHM will have maximum speed when its displacement from equilibrium position is:

Question # 24

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

Question # 25

A particle moving uniformly along circle its projection along diameter performs

Question # 26

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

Question # 27

The displacement of body executing SHM is

Question # 28

Acceleration of body executing SHM is always directed towards

Question # 29

Free oscillations are always produced by:

Question # 30

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

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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 Which one of the following is an example of SHM:
A. Motion in a plane
B. Motion in a swing
C. Motion in a car
D. None of these
3 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
4 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
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 An object undergoes SHM. Its maximum equilibrium positions:
A. Maximum
B. Half of its maximum value
C. Zero
D. None
7 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
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 Amplitude in SHM is equivalent to_____ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
10 Which one of the following is an example of SHM
A. Motion in a plane
B. Motion in a swing
C. Motion in a car
D. None of these

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