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Science · 2025 · 3 marks
The Human Eye and the Colourful WorldDefects of Vision and their Correction3 marksUnderstandshort answer
CBSE 2025 · Region 3 · Set 3 · Q31
A person is suffering from an eye defect in which the far point of the eye is much nearer than infinity. Name the defect of vision the person is…
A person is suffering from an eye defect in which the far point of the eye is much nearer than infinity. Name the defect of vision the person is suffering from. List two main causes of this defect. Write the type of the corrective lens and draw a ray diagram to show the function of the corrective lens.
Marking-scheme solution
Myopia /Shortsightedness
Causes :
(i) Excessive curvature of the eye lens
(ii) Elongation of the eye ball
Diverging lens/concave lens
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CBSE Class 10 Science past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.