Physics · Thermodynamics
An ideal gas undergoes a cyclic process consisting of an isothermal expansion followed by an isochoric cooling and an isobaric compression, returning to its initial state. In a Temperature-Pressure (T-P) diagram, how will the isothermal expansion process be represented?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1A parabolic curve bending away from the temperature axis.
- 2A linear curve passing through the origin.
- 3A vertical line moving towards higher temperature at a constant pressure.
- 4A horizontal line moving towards lower pressure at a constant temperature.✓
Correct answer
A horizontal line moving towards lower pressure at a constant temperature.
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