A body having a surface area of `50cm^2` radiates 300J of energy per minute at a temperature o
Channel: Doubtnut
Date: 2020-05-24

A body having a surface area of `50cm^2` radiates 300J of energy per minute at a temperature of `727^(@)C`. The emissivity of the body is  ( Stefan's constant`=5.67xx10^(-8)W//m^2K^4`)