Draw three labelled ray-diagrams to show the defect of vision called hypermetropia and how it is corrected by using a lens. Also name the lens used.

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Solution

Hypermetropia or long-sightedness is a common eye defect, in which a person is not able to nearby objects whereas the farther objects appear clear to the person.

Hypermetropia deffect:

Correction made with a convex lens for the hypermetropic eye:

A convex lens is used to correct the defect of hypermetropia.

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Similar questions

Given below is a diagram showing a defect of human eye.

Study it and answer the following questions:

(1) Name the defect shown in figure.

(2) Give two possible reasons for this defect of eye in human being.

(3) Name the type of lens used to correct the eye defect.

(4) Draw a labelled diagram to show how the defect is rectified by using the lens.

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