Refer to the six lenses A -F shown on the right. All of the lenses are made of t

Question

Refer to the six lenses A -F shown on the right. All of the lenses are made of the same glass. Choose the lens that best answers each question below. There is only one correct answer for each question. If you think that none of the lenses is correct, choose answer G. 15. Which lens would give the largest correction to a person who is nearsighted? (Nearsighted people have distant objects focused in front of their retina. They can clearly see objects that are close to their eyes, but objects far away are blurred.) 16. Which lens has no focusing effect on light incident upon it? 17. Which lens would give the largest correction to a person who is farsighted? (Farsighted people have close objects focused behind their retina. They can clearly see objects that are far away from to their eyes, but objects that are close are blurred.)

Explanation / Answer

15) Lens E that is concave lens is used to correct the short sighted person.

17) Lens B that is concave lens is used to correct the Long sighted person.

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