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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 2 · Q31
A person has to keep reading material much beyond 25 cm (say at 50 cm) from the eye for comfortable reading. Name the defect of vision he is…
A person has to keep reading material much beyond $\displaystyle 25$ cm (say at $\displaystyle 50$ cm) from the eye for comfortable reading. Name the defect of vision he is suffering from. List two causes responsible for arising of this defect. Draw a labelled diagram showing correction of this defect using eye-glasses. Are these glasses convergent or divergent of light ?
Marking-scheme solution
Hypermetropia/ far-sightedness
(i) Focal length of the eye lens is too long
(ii) Eye ball has become too small/shortened
Convergent of light
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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.