Physics 0625 · IGCSE · Light

Light — practice question

The diagram illustrates how a prism affects white light. When the light reaches the prism, part of it is reflected, while the rest is refracted and dispersed to produce a spectrum. What happens if monochromatic light is used rather than white light?

  • AThe light changes colour as it passes through the prism.
  • BThe light forms a brighter spectrum.
  • CThere is no reflected light.
  • DThere is no dispersion of the emerging light.

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI