The double-convex lens in the eye has index of refraction n=1.44. it\'s focal le

Question

The double-convex lens in the eye has index of refraction n=1.44. it's focal length in air is 8 mm. (a) assuming htat the radii of curvature of its two surfaces have the same magnitude, find these radii (both magnitude and the sign for each surface). (b) if an object 16 cm tall is placed 30 cm from the eye, where will the imagebe formed and how tall will it be? (c) is this image real or virtual? (d) is it upright or inverted?

Explanation / Answer

1/f = (u-1) *2/R => R = 7.04 mm.. b) v = u-f /uf = 0.121 mm'............. c) real d) inverted

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