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Physics (AS & A Level) · May / June 2017 · Paper 11 · Question 26

9702Electromagnetic spectrum

Which list shows electromagnetic waves in order of increasing frequency?

  1. Aradio waves → gamma rays → ultraviolet → infra-red
  2. Bradio waves → infra-red → ultraviolet → gamma rays
  3. Cultraviolet → gamma rays → radio waves → infra-red
  4. Dultraviolet → infra-red → radio waves → gamma rays

As printed in the paper

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Correct answer: B. radio waves → infra-red → ultraviolet → gamma rays

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