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Standard XII

Physics

Pressure

Perfect gases...

Question

Perfect gases of a given mass are heated first in a small vessel and then in a large vessel, such that their volume remains unchanged. The $P - T$ curves are:

parabolic with same curvature

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parabolic with different curvature

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linear with same slope

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linear with different slope

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Solution

The correct option is C linear with different slope
According to ideal gas equation,
$P V = n R T$
$P \propto n T$ (at constant $V$ )
thus, $P - T$ curves are linear but with different slopes depending on $n$ .

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Perfect gases of a given mass are heated first in a small vessel and then in a large vessel, such that their volume remains unchanged. The P−T curves are:

The correct option is C linear with different slopeAccording to ideal gas equation,PV=nRTP∝nT (at constant V)thus, P−T curves are linear but with different slopes depending on n.

Perfect gases of a given mass are heated first in a small vessel and then in a large vessel, such that their volume remains unchanged. The $P - T$ curves are:

The correct option is C linear with different slope
According to ideal gas equation,
$P V = n R T$
$P \propto n T$ (at constant $V$ )
thus, $P - T$ curves are linear but with different slopes depending on $n$ .