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Question: 

A person’s right eye can see objects clearly only if they are between 25 cm and 85 cm away.

  1. What power of contact lens is required so that objects far away are sharp?
  2. What will be the near point with the lens in place?

Source: Giancoli, Douglas C., Physics: Principles with Applications, 7th Edition, 2014.

Quick Answer: 
  1. -1.2 D
  2. 35 cm

Giancoli 7th Edition, Chapter 25, Problem 15

(2:10)

Chapter 25, Problem 15 is solved.

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