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Science · 2026 · 2 marks
CBSE 2026 · Region 3 · Set 3 · Q33
Draw the ray diagram showing refraction through a glass slab and write the relation between angle of incidence, angle of refraction and refractive index of glass.
Marking-scheme solution
Refractive index \(\displaystyle =\frac{\sin i}{\sin r}\)
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CBSE Class 10 Science past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.