Considering the sun as a perfect sphere of radius 6.8xx10^(8) m, calculate the energy radiated by it one minute. Take the temperature of sun as 5800 k and sigma = 5.7xx10^(-8) S.I. unit.

Considering the sun as a perfect sphere of radius 6.8xx10^(8) m, calcu

1.	Considering the sun as a perfect sphere of radius 6.8xx10^(8) m, calculate the energy radiated by it one minute. Take the temperature of sun as 5800 k and sigma = 5.7xx10^(-8) S.I. unit.
Answer» Solution :`Q=sigmaT^(4)At= 5.7xx10^(-8)XX(5800)^(4)xx4pixx(6.8xx10^(8))^(2)xx60=2.248xx10^(28)` J