MHT CET · Physics · Thermodynamics
A monoatomic ideal gas is heated at constant pressure. The percentage of total heat used in increasing the internal energy and that used for doing external work is A and B respectively. Then the ratio, \(\mathrm{A}: \mathrm{B}\) is
- A \(5: 3\)
- B \(2: 3\)
- C \(3: 2\)
- D \(2: 5\)
Answer & Solution
Correct Answer
(C) \(3: 2\)
Step-by-step Solution
Detailed explanation
\( \Delta U = n C_v \Delta T = n \frac{3}{2} R \Delta T \) \( \Delta W = P \Delta V = n R \Delta T \)
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