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❗Write about REFRACTION❕
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Refraction :-
⏩Refraction is the bending of a wave when it enters a medium where its speed is different.
⏩The refraction of light when it passes from a fast medium to a slow medium bends the light ray toward the normal to the boundary between the two media.
⏩ The amount of bending depends on the indices of refraction of the two media and is described quantitatively by Snell's Law...
Hope it helps ❤❗
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