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Question

Fill in the following blanks with suitable words :
A person is short-sighted if his eyeball is too ___ Spectacles with a ___ lens are needed. A person is long-sighted if his eyeball is too ___ Spectacles with a ___ lens are needed. These focus light rays exactly on to the ___


Solution

long, concave, short, convex, retina

Physics
Science for Tenth Class - Part I - Physics
Standard X

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