SAT Subject Physics Practice Question 468: Answer and Explanation

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Question: 468

14. This question relates to the P-V diagram of the heat cycle below. For the gas shown in the diagram, 70J of energy is added to the system.

Where is the exhaust heat released from the system?

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

Correct Answer: C


The correct answer is (C). The release gas or exhaust occurs between C→D in the diagram.

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