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Physics
The rate of radiation of energy from a hot object is maximum, if its surface is
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Q. The rate of radiation of energy from a hot object is maximum, if its surface is
Thermal Properties of Matter
A
White and smooth
5%
B
Black and rough
55%
C
Black and smooth
27%
D
White and rough
14%
Solution:
Black and rough surfaces absorb maximum amount of radiation and than radiate the same amount of radiations.