Physics 0625 · IGCSE · Light

Light — practice question

The diagram illustrates the dispersion of white light by a prism. Which row could be right for the colours observed at X, at Y and at Z?

  • AX: red; Y: violet; Z: yellow
  • BX: red; Y: yellow; Z: violet
  • CX: violet; Y: yellow; Z: red
  • DX: yellow; Y: red; Z: violet

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