A black body having an area of 2xx10^(-4)m^(2) for its radiating surface radiates energy of 16.42 J in 15 minutes.What is the temperature of the body ?

A black body having an area of 2xx10^(-4)m^(2) for its radiating surfa

1.	A black body having an area of 2xx10^(-4)m^(2) for its radiating surface radiates energy of 16.42 J in 15 minutes.What is the temperature of the body ?
Answer» SOLUTION :`T=[Q//sigmaAt]^(t//4)=[16.42//5.67xx10^(-8)xx2xx10^(-4)xx15xx60]^(1//4)=200` K