A) 81E
B) 9E
C) 3E
D) 27E
Correct Answer: A
Solution :
According to Stefans law \[E\propto {{T}^{4}}\] \[\therefore \] \[\frac{E}{E}={{\left( \frac{3T}{T} \right)}^{4}}\,\,or\,\,E=81\,\,E\]You need to login to perform this action.
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