Gage, Alfred P. (Alfred Payson), 1836-1903 · Boston, London, Ginn · leaf 367
ighly refracting.The refractive power of water is less than that of alcohol oroil of turpentine. A substance which has a higher refractivepower than another is said to be ojjtioally denser. The angle GD 0 (Fig. 250) is called the angle of incidence;FDN, the angle of refraction; and EDF, the angle… … water, and much less in diamond than in glass. Every trans-parent substance has its own rate of transmission. It wouldseem that there is an interaction between the ether and themolecules of matter sujch that in different mediums the ether-waves are unequally retarded. Let the series of parallel…
Physics
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