1.

A light source is located at \[{{P}_{1}}\] as shown in the figure. All sides of the polygon are equal. The intensity of illumination at \[{{P}_{2}}\] is \[{{I}_{0}}\]. What will be the intensity of illumination at \[{{P}_{3}}\] 

A.             \[\frac{3\sqrt{3}}{8}{{I}_{0}}\]
B.             \[\frac{{{I}_{0}}}{8}\]
C.             \[\frac{3}{8}{{I}_{0}}\]
D.            \[\frac{\sqrt{3}}{8}{{I}_{0}}\]
Answer» B.             \[\frac{{{I}_{0}}}{8}\]


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