alleryStart learning →Two blackbodies of equal area are at absolute temperatures in the ratio 1:3. What is the ratio of power they radiate?
A1:3
B1:9
C1:27
D1:81
Answer & Solution
Correct answer: D. 1:81
Radiated power goes as T^4, so the ratio is 1^4 : 3^4 = 1:81.
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