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Initial pressure and volume of a monoatomic ideal gas are P and V. The change in internal energy of this gas in adiabati…

Q1

Initial pressure and volume of a monoatomic ideal gas are P and V. The change in internal energy of this gas in adiabatic expansion to volume \({V}_{\text{final }}=27V\) is --------------- J.

[JEE Main 2026, 8 Apr (Shift 2)]

a

\(-2PV(3\sqrt{3}-1)\)

b

\(\frac{4}{3}PV\)

c

\(-\frac{4}{3}PV\)

d

\(\frac{3}{4}PV\)

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