Reflection, refraction and lenses

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Question 44
Easy

A ray of light travels from inside a glass block, across a pocket of air, and back into the glass block, moving from point X to point Y.

Light ray path and candidate speed-distance graphs

Which of the following sketch graphs correctly represents how the speed of light changes as it travels from X to Y?

Graph A

Graph B

Graph C

Graph D

Reflection, refraction and lenses Questions

  1. GCSE
  2. /Physics
  3. /Reflection, refraction and lenses