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MHT CET 2024 (16 May, Shift 1) · Thermodynamic Processes

Thermodynamic Processes question from MHT CET 2024 (16 May, Shift 1)

Q101MHT CET 2024 · 16 MAY · SHIFT 1Medium

Thermodynamic Processes

An ideal diatomic gas is heated at constant pressure. What is the fraction of total energy applied, which increases the internal energy for the gas?

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Answer: (b)

Isobaric: $\dfrac{\Delta U}{Q} = \dfrac{C_v}{C_p}$ .
Diatomic: $C_v = \dfrac{5}{2}R$ , $C_p = \dfrac{7}{2}R$ .
$\dfrac{\Delta U}{Q} = \dfrac{5}{7}$ , so the answer is (b).

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