A) 1 : 4
B) 4 : 1
C) 1 : 2
D) 2 : 1
Correct Answer: D
Solution :
\[E\propto A{{T}^{4}}\] Þ \[\frac{{{E}_{\text{sphere}}}}{{{E}_{\text{Disc}}}}=\frac{4\pi {{r}^{2}}}{2\pi {{r}^{2}}}\times {{\left( \frac{T}{T} \right)}^{4}}=\frac{2}{1}\]You need to login to perform this action.
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