Physics 0625 · IGCSE · Light

Light — practice question

A beam of light from the Sun falls on a prism. The spread-out beam then strikes a white wall between X and Y. Which colours appear at X, Z and Y?

  • AX red; Z green; Y violet
  • BX red; Z violet; Y green
  • CX violet; Z green; Y red
  • DX violet; Z red; Y green

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