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Physics

Physics
A gradual increase in loudness is known as

Crescendo
Timbre
Fortissimo
None of these

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Physics
Why does ice covered in sawdust not melt quickly ?

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

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Physics
When a light wave is reflected from a mirror, there is a change in its

Frequency
Wavelength
Velocity
Amplitude

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Physics
Air pressure is usually highest when the air is

Cool and dry
Cool and moist
Warm and moist
Warm and dry

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Physics
When temperature difference between liquid and its surroundings is doubled, the rate of loss of heat will:

Three times
Double
Four times
Remain same

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Physics
1 Joule is Equal to

10^7 ergs
10^3 ergs
10^5 ergs
10^6 ergs

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MORE MCQ ON Physics

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