Question

A person cannot see the object within 1m what lens should be used?​

Answer 1

Answer:

The focal length of the concave lens should be -1 m as object at infinity forms image at focus.

Answer 2

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The Question is Give below

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We use the converging lens to correct this defect. Complete step by step answer: In the given question, we are supplied with the following data: There is an old man who cannot see the objects which are closer than 1m from the eye clearly.

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