Elementary treatise on physics, experimental and applied : for the use of colleges and schools (1906)
Ganot, A. (Adolphe), 1804-1887, Atkinson, Edmund, 1831-1901, Reinold, A. W. (Arnold William), 1843-1921 · New York : Wood · leaf 588
enses.In concave or diverginglenses there are onlyvirtual foci, whatever thedistance of the object.Let SS be any pencil ofrays parallel to the axisFig. 542 (fig- 543) ; any ray, SI, is refracted at the point ofincidence, I, and approaches the normal, CI. At the point of emergence itis also…
Physics
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