Carhart, Henry S. (Henry Smith), 1844-1920 · Boston : Allyn and Bacon · leaf 292
from A meet after refraction at#, and those from B at b. Hence ab is the real image ofAB. Conversely, if ab were the object AB would be theimage. The image is inverted because the secondary axescross between object and image. The size of the imageis to that of the object as LO to KO. (6) When the… … Fig. 141 path of two rays A 0, B 0 along secondary axes, and AD,BH parallel to the principal axis, and through F after refraction at both surfaces of the lens. The two rays fromA diverge after emerging from the lens, but if their directions be projected backwards they will meet at a. So alsothe two…
Physics
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