SAT Subject Physics Practice Question 538: Answer and Explanation

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Question: 538


The idealized P-V diagram above shows a complete cycle through compression and expansion of a gas. The questions below relate to the processes within the cycle.

Which letter shows an adiabatic expansion?

A. A
B. B
C. C
D. D
E. E

Correct Answer: A


The correct answer is (A). The volume of the enclosed gas increases during phase A.

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