O-LevelPhysicsLight5054/12 · May/June 2024 · Q251 Mark
The colour of visible light is related to the wavelength of the light. Which list of colours is in order of increasing wavelength?
Ablue → green → yellow → red
Bblue → green → red → yellow
Cgreen → red → yellow → blue
Dred → yellow → green → blue
✓ Correct answer
A: blue → green → yellow → red
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