Question

A black body is at 727celcius which emits energy at a rate is proportional to

Answer 1

Answer:

because black colour is a strong colour which emits large energy.

Answer 2

According to Stefan’s law,

E   α   T⁴

E   α    (t + 273)⁴ K [723⁰C = (727 + 273)K]

E   α    (727 + 273)⁴ K

E   α     (1000)⁴ K