SATHEE: Thermodynamics Question 199

Thermodynamics Question 199

Question: For an isothermal expansion of a perfect gas, the value of $\frac{Δ P}{P}$ is equal

[CPMT 1980]

Options:

A) $- γ^{1 / 2} \frac{Δ V}{V}$

B) $- \frac{Δ V}{V}$

C) $- γ \frac{Δ V}{V}$

D) $- γ^{2} \frac{Δ V}{V}$

Show Answer

Answer:

Correct Answer: B

Solution:

Differentiate $P V =$ constant w.r.t V

Therefore $P Δ V + V Δ P = 0$

Therefore $\frac{Δ P}{P} = - \frac{Δ V}{V}$

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Thermodynamics Question 199

Question: For an isothermal expansion of a perfect gas, the value of ΔPP is equal

Options:

Answer:

Solution:

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Question: For an isothermal expansion of a perfect gas, the value of $\frac{Δ P}{P}$ is equal