A small blackened solid copper sphere, of radius 2.5cm and absorption coefficient 0.9 is placed in an evacuated chamber. The temperaturse of the chamber in maintain at 27°c. At what rate must eneagy be supplied to the copper sphere to maintain
its temperaturse at 127°C ?
Answers
Answered by
2
Answer:
2/1 5R.celtonu.
Similar questions