A student with a defective eye-sight can see clearly nothing than is farther from his eyes than 50 cm. What is the number, kind and focal length of the correcting lens that will enable him to see easily and clearly distant object?
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disease name is hypermetropia and we use convex lens to correct it.....
hope it will help you my dear friend plz mark it as brainliest I need it.
hope it will help you my dear friend plz mark it as brainliest I need it.
Avitesh1:
What is the number...........
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