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Science · 2023 · 3 marks
CBSE 2023 · Region 1 · Set 3 · Q33
A person cannot see distinctly the object placed beyond $\displaystyle 5$ m from his eyes. Name the defect of vision the person is suffering from. Draw a ray diagram to illustrate this defect. List its two possible causes. Name the lens used for the correction of this defect.
Marking-scheme solution
Myopia / Short Sightedness
-
Two Causes :
(i) . Excessive curvature of the eye lens
(ii) . Elongation of eye ball
Concave lens / Diverging lens
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CBSE Class 10 Science past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.