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Unilorin Post-UTME Physics 2023 (Model questions) Question 4

Question 4

Electromagnetic Spectrum

Which of the following electromagnetic waves has the shortest wavelength?

  1. A.radio waves
  2. B.microwaves
  3. C.visible light
  4. D.gamma rays
Show the answer and explanation

Answer: D (gamma rays)

Explanation

Gamma rays are at the high-frequency end of the electromagnetic spectrum, so they have the shortest wavelength.