A black body radiates 20 W at temperature 227° C . If temperature of the black body is…
Physics · NEET · NTA Exams — Properties of Solids and Liquids
A black body radiates 20 W at temperature 227°C. If temperature of the black body is changed to 727°C then its radiating power will be [CBSE PMT 2002; AIIMS 2003]
- 120 W
- 240 W
- 320 W
- 360 W
Answer
(C) 320 W
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