Assuming the Sun to be a spherical body of radius R at a temperature of TK, evalute the
Channel: Doubtnut
Date: 2020-07-05

Assuming the Sun to be a spherical body of radius R at a temperature of TK, evalute the total radiant powerd incident of Earth at a distance r from the sun  where `r_0` is the radius of the Earth and `sigma` is Stefan's constant.