Question
Question: A surface at temp. T<sub>0</sub>K receives power P by radiation from a small sphere at temp T \> T<s...
A surface at temp. T0K receives power P by radiation from a small sphere at temp T > T0 and at a distance d. If both T and d are doubled, the power received by the surface will become
A
P
B
2 P
C
4 P
D
16 P
Answer
4 P
Explanation
Solution
P µ d2T4 Q point source