alleryGas expanding in a cylinder inside a large fixed temperature reservoir is:
AAdiabatic
BIsochoric
CIsobaric
DIsothermal
Answer & Solution
Correct answer: D. Isothermal
1. The reservoir holds the temperature steady throughout.
2. Heat flows in without changing that temperature.
3. So the expansion is an isothermal process.
_Source: syllabus Physics Part II, Chapter 12, Thermodynamics._
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