A) \[\text{2 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-4}}}\text{W/}{{\text{m}}^{\text{2}}}\]
B) \[\text{8 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-6}}}\text{W/}{{\text{m}}^{\text{2}}}\]
C) \[\text{4W/}{{\text{m}}^{\text{2}}}\]
D) \[\text{1 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-4}}}\text{W/}{{\text{m}}^{\text{2}}}\]
Correct Answer: B
Solution :
From the formula \[\text{Intensity}\,\text{=}\,\,\frac{\text{Power}}{\text{Area}}\]
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