Lynde, Carleton John, b. 1872, Gilbert, Alfred C. (Alfred Carlton), 1884-1961 · New Haven, Conn. : A.C. Gilbert Co. · leaf 79
ame asthough the coin were at a point Aonly three-fourths the depth, and thisis the reason the coin appears to beat A. If you look at the coin in a slant-ing direction, it appears to be nearerthe surface still, because the light isbent more and more the greater theslant of the rays from the coin… … GILBERT LIGHT EXPERIMENTS 77 RM is always exactly three-fourths the length of IM nomatter how large or small imay be. If the light passes inthe opposite direction, the samerelation holds until the criticalangle is reached. (See page 87for definition of critical angle.) If the ray is passing fromair…
Light · Scientific recreations
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