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Physics · May / June 2020 · Paper 11 · Question 29

5054Electromagnetic spectrum

What is a feature of red light compared with that of violet light?

  1. AA prism deviates red light more.
  2. BRed light has a lower frequency.
  3. CRed light has a shorter wavelength.
  4. DThe speed of red light in a vacuum is smaller.

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Correct answer: B. Red light has a lower frequency.

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