JEE Advanced 2024 Physics question
A point source S emits unpolarized light uniformly in all directions. At two points A and B, the ratio of the intensities of light is 2. If a set of two polaroids having angle between their pass-axes is placed just before point B, then the new value of will be .
Answer: 8
Solution
The first polaroid transmits half of unpolarised light: . The second, at , transmits
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