chapter 7 Heat Transfer in Nature - Part 7

Why do we feel warm when sitting in front of a campfire?

Type: MCQ • Marks: 1
Why do we feel warm when sitting in front of a campfire?
Options
A. Conduction through air
B. Convection currents carrying air toward us
C. Direct radiant thermal energy from flames
D. Evaporation of sweat
Explanation
Air is a poor conductor and warm convection air rises vertically; thus, heat reaching us sideways is predominantly thermal radiation.
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