May/June 2026 Paper 23

2026 · 40 questions · 40 parts · 40 marks

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21Refraction Total Internal ReflectionEasy1 mark
The diagrams show rays of light passing through triangular glass prisms. In which diagram is the incident ray monochromatic?
four prisms: A one incident ray splitting into a fan of rays from red to violet; B one incident ray splitting into two rays labelled red and violet; C one incident ray splitting into two rays labelled blue and violet; D one incident ray passing through and emerging as a single ray labelled red