Question

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 $\sqrt{2}$

Answer 1

Answer: (C)

Doubled

Answer 2

Kinetic energy µ Temperature. Hence if temperature is doubles, Kinetic energy will also be doubled