Unpolarized Light of Intensity 100 MW/m² Passes Through Two Filters

question 38

Multiple Choice

Unpolarized light of intensity 100 mW/m² passes through two filters.The first filter has an alignment of 30.0 degrees from the vertical.The intensity of the light that passes through the second filter is 41 mW/m². What is the angular alignment of the second filter with respect to the vertical?

• A)5 degrees
• B)10 degrees
• C)15 degrees
• D)20 degrees
• E)25 degrees

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