The temperatures of two bodies A and B are respectively 727°C and 327°C. The ratio of the rates of heat radiated by them is 

(a)727:327                        (b) 5 : 3
(c) 25 : 9                           (d) 625 : 81

(d) QT4HAHB=273+727273+3274=1064=534=62581

Difficulty Level:

  • 8%
  • 15%
  • 15%
  • 63%