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Physics (AS & A Level) · Oct / Nov 2017 · Paper 11 · Question 4

9702Electromagnetic spectrum

What is a typical value of the wavelength of a microwave travelling in a vacuum?

  1. A3 000 000 pm
  2. B30 nm
  3. C30 000 µm
  4. D3000 mm

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Correct answer: C. 30 000 µm

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