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Physics (AS & A Level) · May / June 2024 · Paper 13 · Question 25

9702Electromagnetic spectrum

An electromagnetic wave has a wavelength of 138 pm in a vacuum. To which region of the electromagnetic spectrum does this wave belong?

  1. Aradio wave
  2. Bmicrowave
  3. Cvisible light
  4. DX-ray

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Correct answer: D. X-ray

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