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 Form 3 Physics Refraction of Light Questions and Answers

A ray of light incident on the surface of a glass prism is observed to behave as represented in the diagram in Fig. 6
Explain this observation.
figrefraction8620201143.JPG

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Answer Text:
- White light consist of several colours, each with different wavelength. Every colour therefore travels with different velocity in glass, so each
colour is deviated differently causing dispersion.


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