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Physics (AS & A Level) · May / June 2020 · Paper 13 · Question 26

9702Electromagnetic spectrum

The table lists possible wavelengths of four different electromagnetic waves. Which row is correct?

  1. Ainfrared, 10^-5
  2. Bradio, 10^-3
  3. Cultraviolet, 10^-12
  4. DX-rays, 10^-7

As printed in the paper

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Correct answer: A. infrared, 10^-5

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