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  4. The given figure represents Isobars drawn at constant pressure P1 and P2 , for an ideal gas. Which is correct? <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/c-opimjtulvfdgzvwk.jpg /> .

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Q. The given figure represents Isobars drawn at constant pressure $P_{1}$ and $P_{2}$ , for an ideal gas. Which is correct?
Question .

NTA AbhyasNTA Abhyas 2020

Solution:

$V=\frac{nRT}{P}$
Slope of $V$ $vs$ $T$ graph increases as pressure decreases.
Hence, $P_{1}>P_{2}$ .