Light coming from an unpolarized source passes through three polarizers. They are in series. Their transmissions...

Light coming from an unpolarized source passes through three polarizers. They are in series. Their transmissions axes are at 1=40, 2=60, 3= 90. The final intensity is I. Another polarizer is places between the source and the first polarizer at angle of 90. New final intensity of the system is I'. What is the ratio of I'/I.

Expert Solution

you need to apply Malus Law which states that if polarised light is passed through a polarizer then the intensity of light transmitted I is directely proportional to ² where is angle between axis of transmission of polarizer and plane of vibration of light.

genius_generous answered 2 years ago

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