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Which consequence results when an analyzer is perpendicular?

A)Extinction of light output occurs
B)Maximum intensity will be transmitted
C)Wavelength increases noticeably
D)Phase velocity changes significantly

💡 Explanation

Linear polarization from a polarizer causes extinction because Malus's Law dictates intensity decreases with cosine squared of the angle between polarizer and analyzer transmission axes. Therefore, ninety degrees yields a zero intensity, rather than peak power since the beams are misaligned.

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