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Science · 2025 · 3 marks
The Human Eye and the Colourful WorldDispersion of White Light by a Glass Prism3 marksApplyshort answer
CBSE 2025 · Region 6 · Set 2 · Q33
(a) Draw a diagram to show the dispersion of white light by a glass prism. (b) What is spectrum? Give reason for its formation.
(a)
Draw a diagram to show the dispersion of white light by a glass prism.
(b)
What is spectrum ? Give reason for its formation.
Marking-scheme solution
(a)
(b) The band of seven colours obtained on the screen after dispersion of white light
Reason: Different components of white light (colours) bend through different angles with respect to the incident ray as they pass through a prism
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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.