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Question

Physics Question on specific heat capacity

Which one of the following statement is true?

A

for monoatomic gases γ=1.40\gamma =1.40

B

for diatomic gases Cp−CV=2 cal{{C}_{p}}-{{C}_{V}}=2\text{ }cal

C

for polyatomic gases γ=1.67\gamma =1.67

D

for all the gases Cp=4R{{C}_{p}}=4R

Answer

for diatomic gases Cp−CV=2 cal{{C}_{p}}-{{C}_{V}}=2\text{ }cal

Explanation

Solution

: For diatomic gases, Cp−CV=2 cal{{C}_{p}}-{{C}_{V}}=2\text{ }cal