A) 2Q
B) 4 Q
C) 16 Q
D) 32 Q
Correct Answer: C
Solution :
According to Stefan law \[Q\propto {{T}^{4}}\] \[\Rightarrow \] \[\frac{{{Q}_{2}}}{{{Q}_{1}}}={{\left( \frac{{{T}_{2}}}{{{T}_{1}}} \right)}^{4}}\] Or \[\frac{{{Q}_{2}}}{{{Q}_{1}}}={{\left( \frac{727+273}{227+273} \right)}^{4}}=16\] or \[{{Q}_{2}}=16Q\]You need to login to perform this action.
You will be redirected in
3 sec