A-LevelPhysicsWaves9702/12 · May/June 2017 · Q261 Mark
Three different electromagnetic waves P, Q and R have the frequencies shown. [Table with columns: frequency/Hz. Rows P, Q, R show frequencies 3 x 10¹⁰ Hz, 3 x 10¹³ Hz, 6 x 10¹⁴ Hz respectively.] Which row identifies P, Q and R? [Table with columns: P, Q, R. Rows for A, B, C, D show different types of electromagnetic waves.]
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
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
✓ Correct answer
B: P: microwave, Q: infra-red, R: visible
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