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How many distinct modes of heat transfer are described?
AEight modes
BTwelve modes
CThree modes
DSeven modes
Answer & Solution
Correct answer: C. Three modes
1. Heat can move from place to place in more than one way.
2. The ways are named separately and treated separately.
3. There are three distinct modes of heat transfer: conduction, convection and radiation.
4. So the answer is three.
_Source: NCERT Class XI Physics Part II, Ch 10 'Thermal Properties of Matter'_
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