Thermal Properties Of Matter

Radiation from a body = R
R = e

%5Csigma%20T%5E%7B4%7D

? time ? area, where e = emissive power
?

%5Cquad%20eT%5E%7B4%7D

= constant or e =

%5Cleft(%5Cfrac%7Bconstant%7D%7BT%5E%7B4%7D%7D%5Cright)

%5Cfrac%7Be_%7B1%7D%7D%7Be_%7B2%7D%7D%3D%5Cleft(%5Cfrac%7BT_%7B2%7D%7D%7BT_%7B1%7D%7D%5Cright)%5E%7B%5E4%7D

%5Cfrac%7Be_%7B1%7D%7D%7Be_%7B2%7D%7D%3D%5Cleft(%5Cfrac%7B273%2B327%7D%7B273-73%7D%5Cright)%5E%7B%5E4%7D

%3D%5Cleft(%5Cfrac%7B600%7D%7B200%7D%5Cright)%5E%7B%5E4%7D%3D%5Cfrac%7B%5Cleft(3%5Cright)%5E%7B4%7D%7D%7B1%7D%3D%5Cfrac%7B81%7D%7B1%7D

%5Cfrac%7Be_%7B1%7D%7D%7Be_%7B2%7D%7D%3D%5Cfrac%7B81%7D%7B1%7D

Chapter Questions
1 MCQs