Physics (AS & A Level) · May / June 2017 · Paper 12 · Question 26
Three different electromagnetic waves P, Q and R have the frequencies shown. P: 3 × 10^10 Hz; Q: 3 × 10^13 Hz; R: 6 × 10^14 Hz Which row identifies P, Q and R?
- AP: infra-red; Q: visible; R: ultraviolet
- BP: microwave; Q: infra-red; R: visible
- CP: ultraviolet; Q: X-ray; R: gamma ray
- DP: visible; Q: ultraviolet; R: X-ray
As printed in the paper
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Correct answer: B. P: microwave; Q: infra-red; R: visible
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