Questions
A metal piece is heated to T1 K. The temperature of the surroundings is T2 K. The heat in the surroundings due to radiation is proportional to
detailed solution
Correct option is A
E = σtA(T4-T4) STEFAN BOLTZMANS LAWThe metal piece emits heat σT14 while it absorbs heat σT24 from surroundings. Hence heat in the surroundings due to radiation is proportional to T14−T24.Talk to our academic expert!
Similar Questions
For a black body at temperature 727°C, its radiating power is 60W and temperature of surrounding is 227° C. If temperature of black body is changed to 1227°C, then its
radiating power will be :
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