Physics · May / June 2024 · Paper 11 · Question 26
A beam of white light is incident on a glass prism. X and Y are the two ends of the visible spectrum. Which statement is correct?
- AAll the light travels at the same speed in the prism.
- BThe light at X has a lower frequency than the light at Y.
- CThe light at X refracts more as it leaves the prism than the light at Y.
- DThe white light refracts away from the normal as it enters the prism.
As printed in the paper
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Correct answer: B. The light at X has a lower frequency than the light at Y.
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