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The intensity of transmitted light when a polaroid sheet, placed between two crossed polaroids at 22.5^ from the polarization axis of one of the polaroid, is ( I ₀ is the intensity of polarised light after passing through the first polaroid):

Options

  1. AI ₀ 2
  2. BI ₀ 4
  3. CI ₀ 8
  4. DI ₀ 16

Correct answer

C. I ₀ 8

Step-by-step solution

Initially two polaroids are crossed i.e. 90^ After passing from first polaroid intensity is I ₀ aligned & I ₀ 4 ^2(2 ) & I ₀ 4 ^2(2 22.5) & I ₀ 8 aligned

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