O-LevelPhysicsLight5054/11 · Oct/Nov 2016 · Q271 Mark
Blue and yellow are colours in the visible spectrum. Which colour has the lower frequency and which colour has the longer wavelength?
Alower frequency: blue, longer wavelength: blue
Blower frequency: blue, longer wavelength: yellow
Clower frequency: yellow, longer wavelength: blue
Dlower frequency: yellow, longer wavelength: yellow
✓ Correct answer
D: lower frequency: yellow, longer wavelength: yellow
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