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

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

Question # 2

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

Question # 3

Amplitude is the displacement of the vibrating body from:

Question # 4

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

Question # 5

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

Question # 6

An oscillating body oscillates due to:

Question # 7

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

Question # 8

Amplitude in SHM is equivalent to ______ in circular motion

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

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

Question # 11

The unit of spring constant is

Question # 12

An object undergoes SHM. Its maximum equilibrium positions:

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

Which one of the following is an example of SHM:

Question # 17

The SI unit of spring constant is identical with that of

Question # 18

The S.I unit of frequency is

Question # 19

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

Question # 20

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

Question # 21

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

Question # 22

The graph showing the variation of displacement with time is a

Question # 23

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

Question # 24

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

Question # 25

The restoring force is ______ and opposite tot he applied force within ______

Question # 26

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 # 27

A body with frequency of would complete one vibration in:

Question # 28

Which one of the following is an example of SHM

Question # 29

Vibratory motion is always under

Question # 30

If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:

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