SAT Subject Physics Practice Question 677: Answer and Explanation

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Question: 677

13.

The diagrammatic representation of the cooling process above shows which of the following?

I. Negative work

II. An isothermal process

III. Increasing energy

A. I only
B. II only
C. I and III only
D. II and III only
E. I, II, and III

Correct Answer: A

Explanation:

The correct answer is (A). The diagram shows a heat diagram operating in reverse. The system shown is a cooling system, such as a refrigerator.

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