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Questions
Define the term dispersion of white light.
What is a dispersion of white light?
Solution
The splitting of a beam of white light into its seven constituent colors, when it passes through a glass prism, is called the dispersion of light.
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RELATED QUESTIONS
A narrow beam PQ of white light is passing through a glass prism ABC as shown in the diagram.
Trace it on your answer sheet and show the path of the emergent beam as observed on the screen DE.
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In an experiment to trace the path of a ray of light through a glass prism for different values of angle of incidence a student would find that the emergent ray:
(A) is parallel to the incident ray
(B) perpendicular to the incident ray
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