A Vertically Polarized Beam of Light of Intensity 100 W/m²

question 50

Multiple Choice

A vertically polarized beam of light of intensity 100 W/m² passes through two polarizers. The first polarizer is making an angle of 20° with its transmission axis and the second one is making an angle of 40° with its transmission axis. What is the transmitted intensity of this beam of light?

• A) 22.2 W/m²
• B) 44.4 W/m²
• C) 66.6 W/m²
• D) 78.0 W/m²
• E) 11.7 W/m²

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