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AP EAMCET2008PhysicsWave Optics

In Fraunhofer diffraction experiment, L is the distance between screen and the obstacle, b is the size of obstacle and is wavelength of incident light. The general condition for the applicability of Fraunhofer diffraction is

Options

  1. Ab^2 L 1
  2. Bb^2 L =1
  3. Cb^2 L 1
  4. Db^2 L 1

Correct answer

C. b^2 L 1

Step-by-step solution

The general condition for Froun hofer diffraction is b^2 L 1 .

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