Question

A uniformly heated Enclosure is maintained at a temperature of 1027°c and has a cavity of diameter 4mm which acts like a black body. claculate the energy radiated/hour from the cavity gamma= 57×10^-8 W/m^2/kg





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Answer 1

Explanation:

34.2×10 5

Heat radiated per second is σAT 4

=5.7×10

−8 ×1×1000 4

=5.7×10 4 J

In one minute the heat radiated =60×5.7×10

4

J=34.2×10 5 J

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Answer 2

Answer:

34.2×10 5

Heat radiated per second is σAT 4

=5.7×10

−8 ×1×1000 4

=5.7×10 4 J

In one minute the heat radiated =60×5.7×10

4

J=34.2×10 5 J

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