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Explain Why A Body with Large Reflectivity is a Poor Emitter - CBSE (Science) Class 11 - Physics

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Question

Explain why a body with large reflectivity is a poor emitter

Solution 1

According to Kirchh off’s law of black body radiations, good emitters are good absorbers and bad emitters are bad absorbers. A body with large reflectivity is a poor absorber of heat and consequently, it is also a poor emitter.

Solution 2

A body with a large reflectivity is a poor absorber of light radiations. A poor absorber will in turn be a poor emitter of radiations. Hence, a body with a large reflectivity is a poor emitter.

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APPEARS IN

 NCERT Solution for Physics Textbook for Class 11 (2018 to Current)
Chapter 11: Thermal Properties of Matter
Q: 21.1 | Page no. 297
Solution Explain Why A Body with Large Reflectivity is a Poor Emitter Concept: Change of State - Latent Heat Capacity.
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