the luminosity of the sun is 4*10^33 erg^ s-1 and its radius is 7* 10^10 cm. What is the sun effective temperature in Kelvins
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Answer:
op
Explanation:
(4*10^33) / 4π(2*7*10^10)^2
= 3/(4π*4*7^2) * 10^13
= 0.001218 * 10^12
= 1.218 * 10^9
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