A) 1037
B) 1031
C) 1025
D) 1043
Correct Answer: B
Solution :
Power \[=\frac{nhc}{\lambda }\](where, n = no. of photons per second)\[\Rightarrow \]\[n=\frac{10\times {{10}^{3}}\times 500}{6.6\times {{10}^{-34}}\times 3\times {{10}^{8}}}\simeq {{10}^{31}}\]You need to login to perform this action.
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