Questions
Two spherical black bodies of radii R1 and R2 having surface temperatures T1 and T2 respectively radiate the same powers; then R1/R2 is equal to:
detailed solution
Correct option is C
E1=E2 σ 4 πR21t T14=σ4πR22tT42 R1R2=T2T212Talk to our academic expert!
Similar Questions
For a black body at temperature 727°C, its radiating power is 60W and temperature of surrounding is 227° C. If temperature of black body is changed to 1227°C, then its
radiating power will be :
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