define interference and diffraction of light..
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When two light waves superpose with each other in such away that the crest of one wave falls on the crest of the second wave, and trough of one wave falls on the trough of the second wave, then the resultant wave has larger amplitude and it is called constructive interference.
Diffraction of light is a phenomenon that occurs when any form of wave, including waves of light, attempt to move around small obstacles or through small openings.
Diffraction of light is a phenomenon that occurs when any form of wave, including waves of light, attempt to move around small obstacles or through small openings.
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Interference refers to the phenomenon where two waves of the same kind overlap to produce a resultant wave of greater, lower, or the same amplitude. Diffraction is defined as the bending of a wave around the corners of an obstacle or aperture.
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