What is it called when light changes direction after leaving a lens? ...
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This change of direction is called refraction
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This change of direction is called refraction. When light enters a more dense substance (higher refractive index), it 'bends' more towards the normal line. The amount of bending depends on two things: Change in speed – if a substance causes the light to speed up or slow down more, it will refract (bend) more.Apr
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