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CAIE IGCSE Physics 3.2.4.2 Traditional Seven Colours of the Questions

Practise ordering the seven visible colours by increasing wavelength or frequency and identify red or violet at the correct end of a dispersed spectrum.

Syllabus
2026–2028
Course
Physics 0625

Exam points

  • Order visible-spectrum colours by increasing wavelength as violet, indigo, blue, green, yellow, orange, red; reverse for increasing frequency and identify violet as shortest wavelength.

CAIE IGCSE Physics 3.2.4.2 Traditional Seven Colours of the Questions question 1

[Maximum number: 1]

Fig. 6.1 shows white light incident at point X on a glass prism.

Fig. 6.1

Fig. 6.1

State the colour of light in the visible spectrum with the shortest wavelength.

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