SATHEE: Thermodynamics Question 329

Thermodynamics Question 329

Question: P.T graph of an ideal gas of equal number of moles of different volumes are plotted as shown. Choose the correct answer

Options:

A) $V_{1} = V_{2} > V_{3} = V_{4}$

B) $V_{1} = V_{2} < V_{3} = V_{4}$

C) $V_{1} = V_{2} = V_{3} = V_{4}$

D) $V_{4} > V_{3} > V_{2} > V_{1}$

Show Answer

Answer:

Correct Answer: A

Solution:

[a] In isochoric process,

$V =$ constant or $P α T$ i.e., P-T graph is a straight line passing through origin.

But since $P = (n R T) \frac{1}{V}$

Slope of the straight line $α \frac{1}{V}$

${(slope)}_{12} < {(slope)}_{34}$

$V_{1} = V_{2} > V_{3} = V_{4}$

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Thermodynamics Question 329

Question: P.T graph of an ideal gas of equal number of moles of different volumes are plotted as shown. Choose the correct answer

Options:

Answer:

Solution:

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