A luminous object and a screen are a fixed distance D apart. (a) Show that a converging
Chapter 34, Problem 117(choose chapter or problem)
A luminous object and a screen are a fixed distance D apart. (a) Show that a converging lens of focal length f, placed between object and screen, will form a real image on the screen for two lens positions that are separated by a distance d 2D(D 4f ).(b) Show that d 2D(D 4f ).gives the ratio of the two image sizes for these two positions of the lens
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