Helium gas is filled in a closed vessel (having negligible thermal exp – McqOptions

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1.	Helium gas is filled in a closed vessel (having negligible thermal expansion coefficient) when it is heated from 300 K to 600 K, then average kinetic energy of helium atom will be
A.	\[\sqrt{2}\] times
B.	2 times
C.	unchanged
D.	half
Answer» C. unchanged

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