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

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

Question # 2

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

Question # 3

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

Question # 4

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 5

The wave form of SHM is

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

The S.I unit of frequency is

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 is the displacement of the vibrating body from:

Question # 12

The displacement of body executing SHM is

Question # 13

Velocity of particle executing SHM will be maximum at

Question # 14

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 # 15

Which one of the following is an example of SHM:

Question # 16

When a body is vibrating, the displacement from mean position:

Question # 17

When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:

Question # 18

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

Question # 19

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

Question # 20

The string of a simple pendulum should be:

Question # 21

In SHM, there is always a constant ratio between displacement if body and its:

Question # 22

Free oscillations are always produced by:

Question # 23

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

Question # 24

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

Question # 25

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

Question # 26

An object undergoes SHM. Its maximum equilibrium positions:

Question # 27

Acceleration of body executing SHM is always directed towards

Question # 28

A body with frequency of would complete one vibration in:

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 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
3 The graph showing the variation of displacement with time is a:
A. Sine curve
B. Straight line
C. Parabola
D. None of these
4 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
5 An object in SHM will have maximum speed when its displacement from equilibrium position is:
A. Infinity
B. Maximum
C. Zero
D. Minimum
6 The acceleration of body executing SHM is directly proportional to
A. Applied force
B. Amplitude
C. Displacement
D. Frictional force
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 A body with frequency would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
9 Which of the following forces is responsible for SHM
A. Applied force
B. Restoring force
C. Fractional force
D. Elastic force
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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