Physics · Thermodynamics
Which statement best describes the Kelvin-Planck statement of the second law of thermodynamics?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Energy can be created from nothing.
- 2Entropy of the universe decreases over time.
- 3Heat cannot flow from a colder body to a hotter body.
- 4It is impossible to convert heat fully into work.✓
Correct answer
It is impossible to convert heat fully into work.
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