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Leaving Cert Physics: Colour of light

How often Colour of light comes up on the Physics papers, every year it was asked, and questions to try.

HL Asked on 6 of the last 10 Higher Level papers, most recently in 2026. most years

OL Asked on 7 of the last 10 Ordinary Level papers, most recently in 2026. most years

June 2027 is the first exam on the new Physics course. These come from the 2016–2026 papers, so read them as a guide.

Colour of light, Ordinary Level(5 marks)

Quick ones on Colour of light.

(a)What is dispersion of light?

(b)Which colour of light is bent the most by a glass prism?

Show the answers

(a) The splitting of white light into its colours

(b) Violet

Your turn: Ordinary Level questions on Colour of light.

Higher Level

Asked on 6 of the last 10 Higher Level papers, most recently in 2026. most years

Links open the State Examinations Commission’s paper for that year.

Asked on 7 of the last 10 Ordinary Level papers, most recently in 2026. most years

Links open the State Examinations Commission’s paper for that year.