A) 727:327
B) 5 : 3
C) 25 : 9
D) 625 : 81
Correct Answer: D
Solution :
According to Stefan's law, rate of heat radiated \[E\propto {{T}^{4}}\] \[\therefore \] \[\frac{{{E}_{A}}}{{{E}_{B}}}={{\left( \frac{727+273}{327+273} \right)}^{4}}={{\left( \frac{1000}{600} \right)}^{4}}=\frac{625}{81}\] So, \[{{E}_{A}}:{{E}_{B}}=625:81\]You need to login to perform this action.
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