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Physics Class 12th Thermodynamics Physics NCERT Exemplar Solutions Class 12th Chapter Twelve

Match the $C_{p} / C_{V}$ ratio for ideal gases with different type of molecules:

Match the correct option?

Option 1 -

$A \to I I I; B \to I V$ ; $C \to I I$ ; $D \to I$

Option 2 -

$A \to I V; B \to I$ ; $C \to I I$ ; $D \to I I I$

Option 3 -

$A \to I I; B \to I I I$ ; $C \to I$ ; $D \to I V$

Option 4 -

$A \to I V; B \to I$ ; $C \to I$ ; $D \to I I I$

2 Views | Posted 2 months ago

Asked by Shiksha User

1 Answer

Answered by

alok kumar singh | Contributor-Level 10

2 months ago

Correct Option - 2

Detailed Solution:

Mono atomic $? C_{v} = \frac{3 R}{2} C_{p} = \frac{5 R}{2}$

Di- atomic $? C_{V} = \frac{5 R}{2} C_{p} = \frac{7 R}{2}$

(Rigid)

Di-atomic $? C_{v} = \frac{7 R}{2} C_{p} = \frac{9 R}{2}$

(Non-Rigid)

Tri-atomic $? C_{V} = 3 R C_{P} = 4 R$

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