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 K.E. of helium atoms is

A) Halved
B) Unchanged
C) Doubled
D) Increased by factor $\sqrt{2}$
Explanation

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

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.

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