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MHT CET202015 Oct 2020Evening ShiftPhysicsWave OpticsActual

In biprism experiment, if 5^ th bright band with wavelength ^ ₁ ^ coincides with 6^ th dark band with wavelength ^ ₂ ' then the ratio ( ₂ ₁ ) is

Options

  1. A10 11
  2. B7 9
  3. C11 10
  4. D9 7

Correct answer

A. 10 11

Step-by-step solution

(y₅= 5 ₁ D d ) (y₆^ = 11 ₂ D 2 d ) (5 ₁= 11 ₂ 2 ) ( ₁ ₂ = 11 10 ) ( ₂ ₁ = 10 11 )

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