Question

# We understand 'temperature' as a measure of the 'hotness' or 'coldness' of a body. Which of these properties do you think explicitly depends upon the temperature?

A

Density of a liquid

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B

length of a metal rod

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C

pressure exerted by a gas inside a closed chamber

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D

all of the above

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Solution

## The correct options are A Density of a liquid B length of a metal rod C pressure exerted by a gas inside a closed chamber D all of the above Density of water is different at different temperatures. Metal expands on heating, so length of metal rod will also depend upon its temperature. Volume of substance reduces when we cool it down. All of the above statements show that density, length and volume are temperature dependent. Same objects of different masses can have similar temperature. Hence, mass is independent of temperature.

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