1. Tardigrade
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  4. Volume versus temperature graph of two moles of helium gas is as shown in figure. The ratio of heat absorbed and the work done by the gas in process 1-2 is <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/p-pkbsxkzlv7ic6ipr.jpg />

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Q. Volume versus temperature graph of two moles of helium gas is as shown in figure. The ratio of heat absorbed and the work done by the gas in process $1-2$ is
Question

NTA AbhyasNTA Abhyas 2020

Solution:

$V-T$ graph is a straight line passing through origin. Hence, $V \propto T$ or $P=$ constant $\frac{\Delta Q}{\Delta W}=\frac{1}{1 - 3 / 5}=\frac{5}{2}$