AP EAMCET · PHYSICS · Kinetic Theory of Gases
The ratio of the molar specific heat capacities of monatomic and diatomic gases at constant pressure is
- A \(1: 7\)
- B \(5: 7\)
- C \(3: 7\)
- D \(2: 7\)
Answer & Solution
Correct Answer
(B) \(5: 7\)
Step-by-step Solution
Detailed explanation
For monoatomic gas, \(\mathrm{f}=3\) \(\therefore\left(\mathrm{C}_{\mathrm{p}}\right)_1=\left(1+\frac{\mathrm{f}}{2}\right) \mathrm{R}=\left(1+\frac{3}{2}\right) \dot{\mathrm{R}}=\frac{5 \mathrm{R}}{2}\) For diatomic gas, \(\mathrm{f}=5\)…
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