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MHT CET 2025 (21 Apr, Shift 1) · Thermodynamic Processes

Thermodynamic Processes question from MHT CET 2025 (21 Apr, Shift 1)

Q86MHT CET 2025 · 21 APR · SHIFT 1Medium

Thermodynamic Processes

When a diatomic gas (rigid) undergoes adiabatic change, its pressure (P)(P) and temperature (T)(T) are related as P∝TcP \propto T^{c}. The value of cc is

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Answer: (b)

  1. Adiabatic: P∝Tγ/(γ−1)P \propto T^{\gamma/(\gamma-1)}.
  2. Rigid diatomic: γ=75\gamma = \frac{7}{5}, so c=7/52/5=3.5c = \frac{7/5}{2/5} = 3.5
  3. So the answer is (b) 3.5.
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