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MHT CET 2024 (16 May, Shift 2) · Thermodynamic Processes

Thermodynamic Processes question from MHT CET 2024 (16 May, Shift 2)

Q100MHT CET 2024 · 16 MAY · SHIFT 2Medium

Thermodynamic Processes

A monoatomic ideal gas is heated at constant pressure. The percentage of total heat used in changing the internal energy is

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Answer: (d)

  1. Isobaric: ΔUQ=CvCp=1γ\dfrac{\Delta U}{Q} = \dfrac{C_v}{C_p} = \dfrac{1}{\gamma}.
  2. Monatomic: γ=53\gamma = \dfrac{5}{3}, so ΔUQ=35=0.6\dfrac{\Delta U}{Q} = \dfrac{3}{5} = 0.6.
  3. So the answer is (d) 60%60\%.
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