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The reflectance and emittance of a perfe...

The reflectance and emittance of a perfectly black body are respectively

A

Unity and zero

B

Unity and infinity

C

Zero and unity

D

Zero and infinity

Text Solution

Verified by Experts

The correct Answer is:
C

For a black body, Reflectance = Coefficient of reflection = zero Emittance = Coefficient of emission=1 A black body reflects nil and emits all wavelengths.
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