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Physics-

General

Easy

Question

A gas is expanded from volume $V subscript 0 end subscript$ to 2 $V subscript 0 end subscript$ under three different processes. Process 1 is isobaric process, process 2 is isothermal and process 3 is adiabatic. Let $capital delta U subscript 1 end subscript comma capital delta U subscript 2 end subscript$ and $capital delta U subscript 3 end subscript$ , be the change in internal energy of the gas is these processes. Then :–

$Δ U_{1} > Δ U_{2} > Δ U_{3}$
$Δ U_{1} < Δ U_{2} < Δ U_{3}$
$Δ U_{2} < Δ U_{1} < Δ U_{3}$
$Δ U_{2} < Δ U_{3} < Δ U_{1}$

The correct answer is: $capital delta U subscript 1 end subscript greater than capital delta U subscript 2 end subscript greater than capital delta U subscript 3 end subscript$

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