Edexcel IGCSE Physics 3.14 Light Waves Questions

Light is a transverse wave. At a boundary it can reflect or refract; refraction changes its speed and wavelength, and may change its direction as well.

Exam points

Describe refraction as light enters a different medium, including changes in direction, speed or wavelength.

[Maximum number: 2]

This question is about light.

Diagram 1 shows a light ray entering a glass prism.

Diagram 1

Describe what happens to the light ray when it enters the prism at point A .

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Edexcel IGCSE Physics 3.14 Light Waves Questions question 1