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A far sighted person cannot see objects that are less than 100cm away. If this person ...

A far sighted person cannot see objects that are less than 100cm away. If this person wants to read a book at 25cm, what type and focal length of lens does he need?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Convex, 20cm
  • B Concave, 20cm
  • C Convex, 33cm
  • D Concave, 33cm
Correct Answer: Option D
Explanation:

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