Edexcel IGCSE Physics 3.16 Ray Diagrams Questions

Draw the normal perpendicular to the boundary first. Then use the reflection or refraction rule to continue the ray through or away from the surface.

Exam points

draw the normal at 90 degrees where a ray or wave direction meets a boundary
complete reflected or refracted ray paths, showing bending towards or away from the normal
compare red and blue ray paths when refractive index changes in glass

[Maximum number: 2]

This question is about refraction.

The diagram shows a ray of light from a torch incident on the surface of a pool of water.

The angle of refraction of the ray of light is $33^{\circ}$

Draw the path of the ray of light in the water.

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