Phillips, Percy · London : T. C. & E. C. Jack ; New York : Dodge Pub. Co. · leaf 34
N where p— is equal to the speed of light in the second medium divided by the speed in the first. The wave-front will therefore become more convex and the centrefrom which it apparently comes will be at some pointI which is higher up than 0. The point O will there-fore appear to be at I. This is… … Fig. 17. 32 THE SCIENCE OF LIGHT
Light
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