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Physics

Physics
Loudness of sound depends on

Amplitude
Frequency
Pitch
Wavelength

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Physics
Which is best used as a sound absorbing material in partition walls ?

Glass - wool
Stone chips
Glass pieces
Steel

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Physics
Why does ice covered in sawdust not melt quickly ?

Sawdust does not allow the air to touch the ice
Sawdust is good conductor of heat
The water is absorbed by sawdust
Sawdust is a bad conductor of heat

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Physics
As we go from Equator to North pole the value of ''g', the acceleration due to gravity

Increases
None of these
Decreases
Remains the same

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Physics
Which resource is both renewable and inexpensive?

Minerals
Sunlight
Coal
Gold

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Physics
The redness in atmosphere at Sunrise and Sunset is due to :

Dispersion of light
Refraction of light
Scattering of light
Reflection of light

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MORE MCQ ON Physics

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