Emissivity of a white polished body in comparison to a black body is

April 18, 2022

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Emissivity of a white polished body in comparison to a black body is

Q. Emissivity of a white polished body in comparison to a black body is

A. higher

B. lower

C. same

D. depends upon the shape of body

Answer: lower

Emissivity of a white polished body in comparison to a black body is

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The rate of energy emission from unit surface area through unit solid angle, along a normal to the surface, is known as

Emissivity of a white polished body in comparison to a black body is

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Two balls of same material and finish have their diameters in the ratio of 2 : 1 and both are heated to same temperature and allowed to cool by radiation

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