A spherical black body of radius `r` radiates power `P`, and its rate of cooling is `R`
Channel: Doubtnut
Date: 2020-08-30

A spherical black body of radius `r` radiates power `P`, and its rate of cooling is `R`  (i)`P prop r` (ii)`P prop r^(2)`(iii)`R prop r^(2)iv)`R prop (1)/(r)`.