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NEET2017PhysicsRay OpticsActual

The ratio of resolving powers of an optical microscope for two wavelengths λ 1 = 4000   Å and λ 2 = 6000  Å is

Options

  1. A8 : 27
  2. B9 : 4
  3. C3 : 2
  4. D16 : 81

Correct answer

C. 3 : 2

Step-by-step solution

Resolving power ∝ 1 λ R 1 R 2 = λ 2 λ 1 = 6000 Å 4000 Å = 3 2

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