Light is considered as a ray instead of a wave when

Options :
  1. the size of obstacle or aperture is very large as compared to the wavelength of light
  2. the size of obstacle or aperture is of the order of wavelength of light
  3. the size of obstacle or aperture is very small as compared to the wavelength of light
  4. none of the above


Answer and Explanation :-

Answer: Option 1

Explanation:

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