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JAMB Physics 1984 Question 41

Question 41

Dispersion of Light and Colours

The spectrum of white light consists of coloured lights arranged in the following order

  1. A.blue, red, green, yellow, indigo, violet, orange
  2. B.red, orange, yellow, green, blue, indigo, violet
  3. C.red, orange, yellow, indigo, green, blue, violet
  4. D.indigo, green, blue, violet, yellow, red, orange
  5. E.yellow, blue, green violet, orange, indigo, red.
Show the answer and explanation

Answer: B (red, orange, yellow, green, blue, indigo, violet)

Explanation

The order is ROYGBIV: red, orange, yellow, green, blue, indigo, violet.