Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 349
338 LENSES … Fig. 398. -How to draw the image in a con-cave lens. througli the lens, but on producing them backwards they inter-sect at Q. QP is the imageof QP. It is virtual, erectand larger than the object. For a concave lens we havethe construction shown in Fig.398. The image is virtual, erect and smaller…
Physics
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