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Why light bends when go denser to rarer medium |
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Answer» When the light rays either bend or change their direction while passing from one medium to another it is called refraction of light. The refraction of light takes place when light travels from air into glass, from glass into air, from air into water or from water into air. when light travels from rarer to denser medium , the one which travels at an angle will slow down its velocity and changes its direction . The wave which is coming at perpendicular direction to the plane normal , changes its velocity but not direction. |
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