A student with defective eye-sight cannot see clearly anything that is father from his eyes than 50 cm. What kind of lens would enable him to see dist

Question

A student with defective eye-sight cannot see clearly anything that is father from his eyes than 50 cm. What kind of lens would enable him to see dist

A student with defective eye-sight cannot see clearly anything that is father from his eyes than 50 cm. What kind of lens would enable him to see distant objects clearly and what would be the power required?

Monjur Alahi

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2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - Concave lens, power =`-2D`

5 views Answered 2023-02-05 15:29