A Diatomic Gas (γ = 1.4)... | JEE Main 2022

JEE MAIN 2022

27-06-2022 S2

Question

A diatomic gas $(\gamma=1.4)$ does 400 J of work when it is expanded isobarically. The heat given to the gas in the process is _______ J

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Solution

$\begin{aligned} & Q=n C_p \Delta T=\frac{m v}{v-1} R \Delta T \\ & Q=\frac{v}{v-1} \omega=\frac{1.4}{0.4} \times 400=1400 \mathrm{~J}\end{aligned}$

Question Tags

JEE Main

Physics

Easy

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