1.

For a black body at temperature 727°C, its radiating power is 60 watt and temperature of surroundingis 227°C. If temperature of black body is changedto 1227°C then its radiating power will be :-(1) 304 w(2) 320 W(3) 240 W(4) 120 W​

Answer»

(3) 240 W is the CORRECT ANSWER.



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