O-LevelPhysicsLight5054/11 · May/June 2014 · Q261 Mark
Which statement is correct?
AGamma rays have a longer wavelength than ultra-violet waves.
BInfra-red waves have a lower frequency than radio waves.
CMicrowaves have a longer wavelength than visible light.
DX-rays have a higher speed in air than visible light.
✓ Correct answer
C: Microwaves have a longer wavelength than visible light.
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