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Physics

Physics
Amount of water vapour in the atmosphere is measured in terms of

Droplets
Smog
All of these
Humidity

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Physics
The width of depletion layer of a P-N junction

Increases with heavy doping
Decreases with light doping
Is increased under reverse bias
Is independent of applied voltage

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Physics
Which color deviates highest when passing through a Prism

Indigo
Green
Violet
Orange

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Physics
Which of the following is not a form of Energy?

Pressure
Sound
Motion
Heat

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Physics
Sound is heard over longer distances on rainy days because

Moist air does not absorb sound
Moist air absorbs sound
Sound travels slowly in moist air
Sound travels faster in moist air

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Physics
A soap bubble shows colours when illuminated with white light. This is due to

Diffraction
Interference
Reflection
Polarisation

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