Surya Asked a Question
March 10, 2022 10:06 pmpts 30 pts
A person is very nearsighted and has a far point (a). (20cm) What is the strength of contact lenses (when on the eye) that will correct his far vision? (b) What is the force if the contact lenses are replaced with glasses located 1.5 cm from the eye.
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  • Ravi bhushan Best Answer
    a) Here, f = - 20 cm = - 0.2 m The power of the lense will be P = 1/f P = 1/(-0.2) = - 5 D
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    Surya
    Can you please explain part b