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Physics

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

Humidity
Smog
Droplets
All of these

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Physics
Speed of sound is the greatest in :

Water
Glycerine
Air
Glass

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Physics
Which of the following devices can be used to detect radiant heat ?

Six's maximum and minimum thermometer
Thermopile
Liquid thermometer
Constant volume air thermometer

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Physics
Which of the following is not caused by atmospheric refraction of light ?

Sun appearing red at sunset
Sun becoming visible two or three minutes before actual sunrise
Sun appearing higher in the sky than it actually is
Twinkling of stars at night

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Physics
Who gave the Theory of Relativity?

Archimedes
Albert Einstein
Galileo Galilei
Isaac Newton

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Physics
Ozone layer in the outer atmosphere helps us in

Reflecting radio waves and makes radio communication possible
Absorbing UV radiations
Regulating the temperature of atmosphere
Absorbing cosmic ray particles

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MORE MCQ ON Physics

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