Starter quiz
The ray diagram shows what happens when a light wave meets a boundary from air to glass. Match the ray labels (A, B and C) to the names of the rays.- A⇔reflected ray ✓
- B⇔refracted ray ✓
- C⇔incident ray ✓
The ray diagram shows what happens when a light wave meets a boundary from air to glass. Match the angle labels (a, b and c) to the names of the angles.- a⇔angle of reflection ✓
- b⇔angle of incidence ✓
- c⇔angle of refraction ✓
The picture shows a laser beam hitting a boundary between air and a transparent solid. What is the angle of refraction?- 30° ✓
- 40°
- 50°
- 60°
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The picture shows a laser beam hitting a boundary between air and a transparent solid. What is the angle of reflection?- 10°
- 40°
- 50° ✓
- 80°
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The ray diagram shows refraction of a light wave across a boundary. If the angle of incidence changes, which of the following shows the path that the wave could follow? (original path shown in grey)
Attributions
Q1: Edited screenshot of a simulation by PhET Interactive Simulations, University of Colorado Boulder, licensed under CC–BY–4.0 (https://phet.colorado.edu)
Q2: Edited screenshot of a simulation by PhET Interactive Simulations, University of Colorado Boulder, licensed under CC–BY–4.0 (https://phet.colorado.edu).
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