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SAT® Subject Test in Physics

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Adiabatic Expansion

SATPHY-8YNTG5

The black curved graph below starting at point $I$ and ending at point $T$ represents the isothermal expansion of a gas. The five other graphs of different colors represent five other processes.

Which one possibly represents an adiabatic expansion of the gas?

A

blue

B

purple

C

gold

D

green

E

red