Question 1[Maximum number: 1]The radius of the Sun is 6.96×108 m6.96 \times 10^{8} \mathrm{~m}6.96×108 m.Show that the temperature T of the surface of the Sun is 5770 K .Mark as masteredShow AnswerL=4πσr2 T43.83×1026=4×π×5.67×10−8×6.96×1082×T4 leading to T=5770 K\begin{aligned} \mathrm{L}=4 \pi \sigma r^{2} \mathrm{~T}^{4} 3.83 \times 10^{26}=4 \times \pi \times 5.67 \times 10^{-8} \times 6.96 \times 10^{82} \times \mathrm{T}^{4} \text { leading to } \mathrm{T}=5770 \mathrm{~K} \end{aligned}L=4πσr2 T43.83×1026=4×π×5.67×10−8×6.96×1082×T4 leading to T=5770 KAdd to Test