AP EAMCET · PHYSICS · Kinetic Theory of Gases
The internal energy of one mole of a rigid diatomic gas at absolute temperature \(T\) is
- A \(3RT\)
- B \(\frac{5}{2} \mathrm{RT}\)
- C \(\frac{3}{2} R T\)
- D \(\frac{1}{2} \mathrm{RT}\)
Answer & Solution
Correct Answer
(B) \(\frac{5}{2} \mathrm{RT}\)
Step-by-step Solution
Detailed explanation
\(U = n \frac{f}{2} RT\) \(U = 1 \cdot \frac{5}{2} RT = \frac{5}{2} RT\)
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