Question # 1

Floppy has a storage capacity

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4-5 MB

3-4 MB

1-3 MB

3-6 MB

the part of waves at which particles of the medium are below the normal position are called:

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extreme position

crest

trough

compression

The speed of sound in a liquid is …………..than that in gases:

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Ten times

Fifteen times

Five times

Two times

The relation between v,f andλ of a wave is:

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vf=λ

fλ = v

vλ =f

v=λ/f

Which instrument is used to detect current?

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Galvanometer

Voltmeter

Ammeter

Electroscope

One micro coulomb charge is equal to:

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10^-3 C

10³C

10⁶C

10^-6C

Current is equal to:

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IR²

CV

Q/t

IR

According to Coulomb's law , what happens to the attraction of two oppositely charged objects as their distance of separation increases?

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Increase

Decreased

remain unchanged

can not be determined

To hear echo, the distance between the observer and the obstacle is 17m then how much distance will the sound travel?

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60m

54m

17m

34m

The waves in which particles of the medium vibrate parallel to the direction of waves are called:

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Longitudinal waves

Transverse waves

Electromagnetic waves

Both a and c

When did Michael Faraday discover Electromagnetic induction?

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1841

1831

1821

1811

The process of breaking a heavy nucleus after the bombardment of neutrons into two small nuclei is called:

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Nuclear fission reaction

Nuclear fusion reaction

Nuclear Radiation

Nuclear chain reaction

Electric field lines were introduced by:

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Faraday

Newton

Coulomb

Joule

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