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AQA · GCSE · Combined Science · Higher

Light changing direction in glass

Q01.3 1 mark

Figure 2 shows white light split into a spectrum of different colours by a glass prism.

Diagram of white light entering a triangular glass prism and emerging as a spread-out spectrum labelled red, orange, yellow, green, blue, indigo and violet.

Figure 2

Enlarged question image

Diagram of white light entering a triangular glass prism and emerging as a spread-out spectrum labelled red, orange, yellow, green, blue, indigo and violet.
Figure 2

Light changes direction when it enters the glass prism.

What name is given to this process?

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Marking points

  1. 1 Name the process as refraction.

Full-mark answer

Refraction.

Why this answer loses marks

Reflection

Reflection is bouncing off a surface. The question describes light changing direction as it enters glass, which is refraction.

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