Question

Q. 5. A person needs a lens of po
orrecting his near vision he needs a lens of power
of the lens required for correcting (i) distant
de a lens of power -5.5 dioptres for correcting his distant vision. For
eds a lens of power +1.5 dioptre. What is the focal length
or correcting (i) distant vision, and (ii) near vision?
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Answer 1

Answer:

Explanation:

sorry to say but I don't know