A person with a myopic eye cannot see objects | vedclass

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(B) The person is suffering from myopia (near-sightedness),which means they can see nearby objects clearly but cannot see distant objects beyond a cer

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Concave lens

Vedclass · Answer

(B) The person is suffering from myopia (near-sightedness),which means they can see nearby objects clearly but cannot see distant objects beyond a certain point (the far point).In this case,the far point of the person is $1.2\, m$.This happens because the image of an object placed beyond $1.2\, m$ is formed in front of the retina instead of on the retina.To correct this defect,a concave lens (diverging lens) is used.The concave lens diverges the incoming light rays from distant objects,effectively shifting the image back onto the retina,as shown in the figure.

$A$ person with a myopic eye cannot see objects beyond $1.2\, m$ distinctly. What should be the type of the corrective lens used to restore proper vision?

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