CBSE 2025 · Region 6 · Set 1 · Q20 · 2 marks
A right angled isosceles glass prism ABC is kept in contact with an equilateral triangular prism DBC as shown in the figure. Both prisms are made of the same glass of refractive index $\displaystyle 1 \cdot 6$. Trace the path of the ray MN incident normally on face AB as it passes through the combination.
Marking-scheme solution
Tracing the path of ray MN $\displaystyle 2$
Ray Optics and Optical InstrumentsRefraction through a PrismApplyvery_short_answerhard
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CBSE Class 12 Physics past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.