Virtual image formation in a positive lens

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Originally uploaded to English Wikipedia. Created by DrBob as claimed on en:User:DrBob/Figures.

Upload history:
   17:43, 2 Dec 2004 . . DrBob (6472 bytes) (Reverted to earlier revision)
   12:41, 23 Nov 2004 . . Spiff (9386 bytes)
   00:35, 9 Oct 2004 . . DrBob (6472 bytes) (pngcrushed version)
   11:49, 20 Jul 2002 . . (Automated conversion) (7139 bytes)