An unpolarized light beam with intensity of 10 passes through 2 polarizers shown

Question

An unpolarized light beam with intensity of 10 passes through 2 polarizers shown in the picture. 44° 74° The transmission axis of the first polarizer is at an angle 44° with respect to vertical and the transmission axis for the second polarizer is at angle 74° with respect to vertical. What is the angle the electric field of the light after it has passed through the first polarizer? What is the angle of the electric field of the light after it has passed through both polarizers? 1. 44° ,7444 2. 74° ,74 3. 74° ,74 44°

Explanation / Answer

after passing through First polarizer

Intensity falls by 50 %

so direction of polarized lgith will be 44 deg

after passing through second polarizer, polarized light changes by 74 -44 deg

so its EF also changes by same angle

so

the answers are 44 deg and 74-44 deg

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