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PhysicsHeat & ThermoFirst lawMedium2 minPYQ_2021

PhysicsMediumsingle choice

The internal energy $(U)$ , pressure $(P)$ and volume $(V)$ of an ideal gas are related as $U = 3 P V + 4 .$ The gas is

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Solution:

$U = 3 P V + 4$
$\frac{n f}{2} R T = 3 P V + 4$
$\frac{f}{2} P V = 3 P V + 4$
$f = 6 + \frac{8}{P V}$
Since degree of freedom is more than $6$ therefore gas is polyatomic

Stream:JEESubject:PhysicsTopic:Heat & ThermoSubtopic:First law

⏱ 2mℹ️ Source: PYQ_2021

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