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The far point of a nearsighted person is 4.9 m from her eyes, and she wears...

The far point of a nearsighted person is 4.9 m from her eyes, and she wears contacts that enable her to see distant objects clearly. A tree is 23.1 m away and 1.6 m high. (a) When she looks through the contacts at the tree, what is its image distance? (b) How high is the image formed by the contacts?

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Solution: Given that f-4.9 11 23.1m h=1.6m We know that v lu fiu 23.1-(-4.9) 4.04 m Magnification lu -4.04 = 0.825 4.9 Size o

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