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Calculate maximum power of accomodation ...

Calculate maximum power of accomodation of a person having normal vision.

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For a person having normal vision, least distance of distinct vision d = 25 cm = 0.25 m.
So, maximum power of accomodation,
`P = (1)/(f("in mm")) = (1)/(d) = (1)/(0.25) = 4D`
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Knowledge Check

  • Calculate the focal leght of a reading glass of a person if his distance vision is 75 cm.

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