Questions
The rate of cooling at 600 K, if surrounding temperature is 300 K is H. The rate of cooling at 900 K is
detailed solution
Correct option is A
By Stefan's law, Rate of cooling, H directly proportional to (T4-T04)H'H= (900)4-(300)4(600)4-(300)4 = 94-3464-34 = 34(34-1)34(24-1)H' = 163HTalk 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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