Text-book of general physics, for the use of colleges and scientific schools (1899)
Hastings, Charles Sheldon · Boston: Ginn & company · leaf 628
, 02, on 0xpy which is nearer A2B2 than 0 by DEVIATIOX BY A PEIS3T. 617 —-Jth of qxpv nearly. Thus it appears that the effect of this system, known in optics as a prism, is to bring theimage nearer and displace it toward the thin edge. if. as hasbeen assumed, the waves travel more slowlv in the… … Fig. 425. at the first surface cf>. the angle of refraction 6V the angle ofincidence on the second surface fa, and the correspondingangle of refraction fa. The clifferenee in direction betweenTFXand Wis called the deviation. Let it be denoted by8; then 8 = (f) — fa -\- fa — cf)1= 0 + fa — (fa +…
Physics
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