Susan is quite nearsighted; without her glasses, her far point is 35 cm and her

Question

Susan is quite nearsighted; without her glasses, her far point is 35 cm and her near point is 15 cm. her glasses allow her to view distant objects with her eye relaxed. With her glasses on, what is the closest object on which she can focus?


The answer is 26 cm, please explain in detail. Susan is quite nearsighted; without her glasses, her far point is 35 cm and her near point is 15 cm. her glasses allow her to view distant objects with her eye relaxed. With her glasses on, what is the closest object on which she can focus?


The answer is 26 cm, please explain in detail.


The answer is 26 cm, please explain in detail.

Explanation / Answer

appy 1/f = 1/u +1/v

so f = uv/u+v

here u = 35 cm

v    = -15 cm

f = 35*15/(35-15)

f = 26.25 cm

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