A Ray of light passes from water to glass how does the speed of the life changes
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Refraction of light takes place when light travels from one medium to another. It takes place at the boundary between the two mediums. Also, we know that speed of light is different in different mediums. So, it occurs due to the change in speed of light on going from one medium to another.
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they bend away from the normal. The speed of light rays increase while travelling from glass or water into air. In this case refraction of light takes place two times
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