• Question: does light bend through water?

    Asked by _.bxo to Bernard on 11 Nov 2015.
    • Photo: Bernard Ennis

      Bernard Ennis answered on 11 Nov 2015:

      Light doesn’t bend, but when light crossing from one material into another it changes speed and direction; this is called refraction. This is what causes the effect of a straight rod bending when you put it into water.

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