Thetemperatureof perfect blackbody is 1000 Kand its areais 0.1 m^(2) . Ifsigma =5.67 xx 10^(-8) W m^(-2) K^(-4)calculate the heat radiated in 1 minute ?

Thetemperatureof perfect blackbody is 1000 Kand its areais 0.1 m^(2) .

1.	Thetemperatureof perfect blackbody is 1000 Kand its areais 0.1 m^(2) . Ifsigma =5.67 xx 10^(-8) W m^(-2) K^(-4)calculate the heat radiated in 1 minute ?
Answer» <html><body><p></p>Solution :According to Stefan.s law if Eis theenergyradiated in 1 <a href="https://interviewquestions.tuteehub.com/tag/sec-1197209" style="font-weight:bold;" target="_blank" title="Click to know more about SEC">SEC</a> byunit surfacearea then `<a href="https://interviewquestions.tuteehub.com/tag/e-444102" style="font-weight:bold;" target="_blank" title="Click to know more about E">E</a> = sigma T^(4)`<br/> `therefore ` Total energy radiated , `E = A(sigma T^(4))t = 0.1 xx 5.67xx 10^(-8) xx 1000^(4) xx 60 = 34.02 xx 10^(4) <a href="https://interviewquestions.tuteehub.com/tag/j-520843" style="font-weight:bold;" target="_blank" title="Click to know more about J">J</a>`</body></html>