the near point of hypermetropic eye is 1m .what is the power of the lens required to correct this defect ? assume that near point of normal eye is 25cm.
the answer given is 3d
my question is v is to be taken negative or positive in hyper
metropic
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v is to be taken negative as the image forms in front of the lens. in these types of ques v is always taken negative. in your ques v is -25 cm
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v should be taken negative because it's convex lens
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