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Solved: Find the focal length of contact lenses that would
Chapter 27, Problem 31P(choose chapter or problem)
QUESTION:
Problem 31P
Find the focal length of contact lenses that would allow a nearsighted person with a 135-cm far point to focus on the stars at night.
Questions & Answers
QUESTION:
Problem 31P
Find the focal length of contact lenses that would allow a nearsighted person with a 135-cm far point to focus on the stars at night.
ANSWER:
Step 1 of 2
Here we need to find the focal length of the contact lenses that can allow a farsighted person with near point to focus on the stars at night .
While focusing to the stars at night, the object distance can be taken to be infinity.
That is,