10 A spherical planet of radius r painted black travels

Last updated: 6/9/2023

10 A spherical planet of radius r painted black travels around the sun in a circular orbit at a distance D from its centre r D The sun a sphere of radius R radiates as a blackbody at a temperature To 6000 K and subtends an angle 0 01 rad as seen from the planet The equilibrium temperature T of the planet is x x 100 Find x