O-LevelPhysicsLight5054/11 · Oct/Nov 2015 · Q201 Mark
Which statement about red light and blue light is correct?
ARed light has a higher frequency than blue light.
BRed light has a longer wavelength than blue light.
CRed light has the same speed in glass as blue light.
DRed light is refracted by a glass prism more than blue light.
✓ Correct answer
B: Red light has a longer wavelength than blue light.
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