Physics · Thermodynamics
A closed system undergoes a cycle consisting of two processes. Process 1-2 is an isothermal expansion whereas Process 2-1 is an isentropic compression. According to the first law of thermodynamics, which of the following statements is true for this cycle?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Work done during Process 2-1 is zero.
- 2Work done during Process 1-2 is zero.
- 3Heat transfer during Process 2-1 is zero.✓
- 4Heat transfer during Process 1-2 is zero.
Correct answer
Heat transfer during Process 2-1 is zero.
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