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KVPY2012PhysicsWave Optics

An unpolarized beam of light of intensity I ₀ passes through two linear polarizers making an angle of 30^ with respect to each other. The emergent beam will have an intensity -

Options

  1. A3 I ₀ 4
  2. B3 I ₀ 4
  3. C3 I ₀ 8
  4. DI ₀ 8

Correct answer

C. 3 I ₀ 8

Step-by-step solution

I ₀ Firet Polarizer I ₀ / 2 Malus law il polarizer ( I ₀ 2 ) ² 30^

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