Terms in refraction

Good revision tool on refraction

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Across

2. The dashed line drawn at 90º to the surface

3. The angle at which all the light is refracted at 90º to the normal along the boundary. (2 Words)

5. The angle between the reflected ray and the normal. (3 Words)

8. Light ray travelling away from surface (2 Words)

9. The light ray travelling towards surface. (2 Words)

10. The angle between the incident ray and the normal (3 Words)

Down

1. When the angle of incidence is above the critical angle and all of the light is reflected, staying inside the denser material (3 Words)

4. The angle between the refracted ray and the normal. (3 Words)

6. This is equal to the angle of incidence. (2 Words)

7. This angle is approximately 41º. (2 Words)

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