Why a change in speed of light causes refraction of light or bending of light
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Explanation:
Light refracts whenever it travels at an angle into a substance with a different refractive index (optical density). This change of direction is caused by a change in speed. ... When light travels from air into water, it slows down, causing it to change direction slightly. This change of direction is called refraction.
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Explanation:
light refracts whenever it travels at an angle into a substance with a different refractive index.this change of direction is caused by a change in speed .when light travels from air into water it slows down causing it to change direction slightly this change of direction is called refraction.
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