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OPTICS

Refraction of Light
Refraction is the change of direction that occurs when light
passes non-normally across a boundary between two transparent mediums
· No refraction takes place if the incident ray is along the normal
· At a boundary between two transparent substances, the light ray
bends towards the…

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Diffraction
· The central fringe is twice as wide as each of the outer fringe & much
brighter
· The peak intensity of each fringe decreases with distance from the
centre
· The outer fringes all have the same width and are much less
intense than the central fringe
·…

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