JEE Main 16 Apr 2018 Shift 1 Solved Paper

Section: Physics

Question : 23 of 90

Marks: +1, -0

Unpolarized light of intensity I is incident on a system of two polarizers, A followed by B. The intensity of emergent light is I/2. If a third polarizer C is placed between A and B, the intensity of emergent light is reduced to I/3. The angle between the polarizers A and C is θ. Then :

[Main 16 April 2018 S1]

cosθ=(
2
3
)
1
2
cosθ=(
2
3
)
1
4
cosθ=(
1
3
)
1
2
cosθ=(
1
3
)
1
4

Validate

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