ECAT Pre General Science Physics Chapter 7 Oscillations

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  • Chapter NameCh 7 - Oscillations

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

Question # 2

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

Question # 3

A particle moving uniformly along circle its projection along diameter performs

Question # 4

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

Question # 5

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

Question # 6

The unit of spring constant is

Question # 7

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 8

The graph showing the variation of displacement with time is a

Question # 9

A spring of constant k = 0.4 N m-1is to be extended through 10 cm at a place where g = 10 m sec-2. The mass to be suspended should be:

Question # 10

Amplitude in SHM is equivalent to ______ in circular motion

Question # 11

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

Question # 12

Velocity of particle executing SHM will be maximum at

Question # 13

The time taken to complete one vibration is called:

Question # 14

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

Question # 15

An object undergoes SHM. Its maximum equilibrium positions:

Question # 16

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

Question # 17

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

Question # 18

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

Question # 19

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 20

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

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

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

Question # 23

When a body is vibrating, the displacement from mean position

Question # 24

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

Question # 25

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

Question # 26

Free oscillations are always produced by:

Question # 27

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

Question # 28

The displacement of body executing SHM is

Question # 29

Hertz is unit of:

Question # 30

In vibrational motion(SHM)

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