The oil in the wick of lamp rises due to
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Which of the following devices can be used to detect radiant heat ?
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Shock-absorbers are usually made of steel as it :
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The dimensional formula ML–1T–2 corresponds to
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Amount of water vapour (gaseous) in a given volume of air (cubic metre) is known as:
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An ideal gas cannot be
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Super cooling stands for cooling of a liquid :
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The spring constant of a spring depends on its
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The average kinetic energy of the molecules of an ideal gas is directly proportional to
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Steel is more elastic than rubber because it :
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Water will not be vapourised if
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Relative humidity is expressed as
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According to special theory of relativity the mass of a particle
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Bolometer is used to measure
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Boyle's law relates to
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Charles's law is based on
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The ''Greenhouse effect' is mainly due to increase in atmospheric
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Thermohaline circulation is mainly due to
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Which of the following device is used to measure humidity?
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Which set of conditions represents the easiest way to liquify a gas ?
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