1.

A thin square steel plate with each side equal to 10 cm is heated by a blacksmith. The rate of radiated energy by the heated plate is 1134 W. The temperature of the hot steel plate is (Stefan's constant sigma^(-) = 5.67 xx 10^(-8) watt m^(-2) k^(-4), emissivity of the plate=1 )

Answer» <html><body><p><a href="https://interviewquestions.tuteehub.com/tag/1000-265236" style="font-weight:bold;" target="_blank" title="Click to know more about 1000">1000</a> K<br/>1189 K<br/>2000 K<br/>2373 K</p>Answer :<a href="https://interviewquestions.tuteehub.com/tag/b-387190" style="font-weight:bold;" target="_blank" title="Click to know more about B">B</a></body></html>


Discussion

No Comment Found