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Physics · Oct / Nov 2016 · Paper 11 · Question 27

5054Dispersion of light

Blue and yellow are colours in the visible spectrum. Which colour has the lower frequency and which colour has the longer wavelength?

  1. Alower frequency: blue; longer wavelength: blue
  2. Blower frequency: blue; longer wavelength: yellow
  3. Clower frequency: yellow; longer wavelength: blue
  4. Dlower frequency: yellow; longer wavelength: yellow

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Correct answer: D. lower frequency: yellow; longer wavelength: yellow

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