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Physics

Physics
The speed of sound travel fastest through

Gas
Solid
Liquid
None of these

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Physics
We feel cool when we sit near the fan, this is because

Fan cools surrounding air.
We feel cool when air touches the body.
Air vapourises the sweat on our body.
Fan gives cool air.

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Physics
The wave theory of light can explain

Interference of light
Photoelectric effect
Black body spectrum
Comptom effect

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Physics
An atom bomb based upon the principal of ________

Controlled chain reaction
Nuclear fussion
Nuclear fission
None of these

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Physics
A star appears twinkling in the sky because of

Reflection of light by atmosphere
Scattering of light by atmosphere
Diffraction of light by atmosphere
Refraction of light by atmosphere

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Physics
Which phenomenon is responsible for the echo of sound wave?

Interference
Polarisation
Reflection
Refraction

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MORE MCQ ON Physics

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