Jawabanmu

2014-03-28T20:34:24+07:00
Benda hitam sempurna => e = 1
suhu = 27 + 273 = 300 K

energi yang dipancarkan = 1 x 5,67 x 10^8 x 300^4
= 459,27 x 10^16
= 4,5927 x 10^18