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Question
For gas, if γ = 1.4, then atomicity, Cp and Cv of the gas are respectively.
Options
Monoatomic, `5/2 "R", 3/2 "R"`
Monoatomic, `7/2 "R" 5/2 "R"`
Diatomic, `7/2 "R", 5/2 "R"`
Triatomic, `7/2 "R"5/2"R"`
MCQ
Solution
Diatomic, `7/2 "R", 5/2 "R"`
Explanation:
γ = 1.4 = `7/2` ⇒ The gas is diatomic
Using time saver - 1
∴ CP = `(7/(7 - 5)) "R" = 7/2 "R"`
and CV = `5/2 "R"`
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