DIFFRACTION

DIFFRACTION

1. Is a phenomena that occurs when a wave encounters an obstacle or a slit.

2. It is defined as the bending of light around the counters of an obstacle or aperture.

   • example

3. As opening is narrowed the waves spread more

   • Smaller openings produced greater diffraction

4. If the size of an object is about the same as the wavelength of light diffraction blurs the image

   • If the object is smaller than the wavelength of light, no structure can been sen

5. It occurs with all the waves, sound waves, water waves and electromagnetic waves

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