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At a certain temperature for given wavel...

At a certain temperature for given wavelength, the ratio of emissive power of a body to emmisve power of black body in same circumstance in known as

A

Relative emissivity

B

Emissivity

C

Absorption coefficient

D

Coefficient of reflection

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The correct Answer is:
B
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ERRORLESS -TRANSMISSION OF HEAT-Radiation (General, Kirchoff s law, Black body)
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