Text-book of general physics, for the use of colleges and scientific schools (1899)
Hastings, Charles Sheldon · Boston: Ginn & company · leaf 633
image, and A another point very closeto 0. Draw a line through A and K. The imageof AO will be at A101. Let C be the incident wave surfaceconvergingto A, and C\ therefracted wavesurface. Thenby the law of refraction, since the angles are small, the anglebetween the surface y and 01 is p1 times the… … i ^2 a 2 a or the sizes of object and image are directly as their distances a. from the lens. When the ratio — is positive, that is, when the a object and its image are on the same side of the lens, theimage is erect ; but when object and image are on oppositesides, the image is inverted. EXAMPLES.…
Physics
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