JEE Advanced · PhysicsEasy
What is the average kinetic energy of a molecule of an ideal gas at absolute temperature ?
- A.
- B.
- C.
- D.
Show correct answer & step-by-step solution
Correct answer: B —
Solution
- The total internal energy of a monatomic ideal gas is .
- The average kinetic energy per molecule is .
- Dividing the total energy by the number of molecules gives .
- Hence the answer is (B).
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