CBSE 2023 · Region 6 · Set 3 · Q31

A person is unable to see clearly a poster fixed on a distant wall. He however sees it clearly when standing at a distance of about $\displaystyle 2$ m from the wall.

(a)

Draw ray diagram to show the formation of image by his eye lens when he is far away from the wall.

(b)

List two possible reasons of this defect of vision.

(c)

Draw ray diagram to show the correction of this defect using appropriate lens.

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