O-LevelPhysicsLight5054/11 · Oct/Nov 2011 · Q201 Mark
How do the speed and the wavelength of red light in air compare with the speed and the wavelength of violet light in air?
Aspeed of red light: greater, wavelength of red light: greater
Bspeed of red light: greater, wavelength of red light: less
Cspeed of red light: same, wavelength of red light: greater
Dspeed of red light: same, wavelength of red light: less
✓ Correct answer
C: speed of red light: same, wavelength of red light: greater
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