Unpolarized light of intensity I₀ passes through a first polarizer and then through a second polarizer whose axis is at 60° to the first. A third polarizer is placed after the second. If the final intensity is I₀ ÷ 16, what is the acute angle between the second and third polarizer axes?
Physics · Wave Optics · polarisation
Unpolarized light of intensity I₀ passes through a first polarizer and then through a second polarizer whose axis is at 60° to the first. A third polarizer is placed after the second. If the final intensity is I₀ ÷ 16, what is the acute angle between the second and third polarizer axes?
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