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  4. A sealed container with negligible coefficient of volumetric expansion contains helium (a monoatomic gas). When it is heated from 300 K to 600 K , the average KE of helium atoms is

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Q. A sealed container with negligible coefficient of volumetric expansion contains helium (a monoatomic gas). When it is heated from $300\,K$ to $600\,K$ , the average $ KE $ of helium atoms is

Punjab PMETPunjab PMET 2009Work, Energy and Power

Solution:

Kinetic energy $\propto$ Temperature. Hence if temperature is doubled, kinetic energy will also be doubled.