1.

At 127o C radiates energy is 2.7 ´ 10-3 J/s. At what temperature radiated energy is 4.32 ´ 10 6 J/s                  [BCECE 2004]

A.            400 K                                       
B.            4000 K
C.            80000 K                                   
D.            40000 K
Answer» D.            40000 K


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