Ex. 74 Calculate the energy radiated in one minute by a black body of surface area 400 cm² when it is maintained at 127°C. (Stefan's constant g = 5.7 x 10-8 S. I. units)
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Q: Ex. 74 Calculate the energy radiated in one minute by a k body of s area 400 cm² when it is…
A: To find-Energy radiated (Q)=?Given-Time (t)=1 min=60 secSurface area (A)=400 cm2=400×10-4…
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