A. Use ray tracing to determine the location of the image. B. Use ray tracing to

Question

A. Use ray tracing to determine the location of the image. B. Use ray tracing to determine the height of the image. A near-sighted person might correct his vision by wearing diverging lenses with focal length f f= -60cm cm. When wearing his glasses, he looks not at actual objects but at the virtual images of those objects formed by his glasses. Suppose he looks at a 13cm cm-long pencil held vertically 1.9m m from his glasses. Use ray tracing to determine the location of the image. Use ray tracing to determine the height of the image.

Explanation / Answer

here h = 13cm the height of the object
therefore h' = (45.6/190) x 13 = 3.12cm

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