A person needs a lens of power+2.5 diopters for correction his vision. Name the defect of vision he is sufering from which type of lens will he be using for the connecting the defect.also find the focal length of the lens.
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I think myopia is the defect and it can be corrected by using concave lens.
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convex lens (conversing lens ) + sign shows.
suffering from myopia.
p = 1/f
f = 1/p
= 1/2.5m
=100/2.5cm
f =40cm
suffering from myopia.
p = 1/f
f = 1/p
= 1/2.5m
=100/2.5cm
f =40cm
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