alleryThe Clausius statement forbids heat flowing on its own from a body:
AHotter to colder
BSolid to liquid
CLiquid to solid
DColder to hotter
Answer & Solution
Correct answer: D. Colder to hotter
1. Heat moves by itself only in one direction.
2. The reverse needs work to be done.
3. So heat cannot pass by itself from colder to hotter.
_Source: syllabus Physics Part II, Chapter 12, Thermodynamics._
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