JEE PHYSICS MCQ: THERMAL PROPERTIES OF MATTER

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Total random kinetic energy of the molecules in 1 mole of a gas at a temperature of 300 K is

\left[ {R = 2\,\,\,{\text{cal/mole}}\,\,\,^\circ C} \right]

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Correct option: C

900\,\,\,{\text{cal}}

Option B (6.0 s) is correct. The time taken for the third stone to reach the ground when released from rest is the geometric mean of the times taken by the first and second stones when thrown upwards and downwards, respectively.

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