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Diffraction of Light

The phenomenon of diffraction was first discovered by Girmaldi. Its experimental study was done by Newton and young. The theoretical explanation was first given by Fresnel.
  • The phenomenon of bending of light around the corners of an obstacle/aperture of the size of the wave length of light is called diffraction.
Fig. 12
  • The phenomenon resulting from the superposition of secondary wavelets originating from different parts of the same wave front is define as diffraction of light.
  • Diffraction is the characteristic of all types of waves.
  • Greater the wave length of wave, higher will be its degree of diffraction.

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