Physics (AS & A Level) · Oct / Nov 2023 · Paper 11 · Question 23
Which statement about electromagnetic waves in a vacuum is correct?
- AInfrared waves have shorter wavelengths than visible light waves.
- BMicrowaves have longer wavelengths than radio waves.
- CUltraviolet waves have higher frequencies than visible light waves.
- Dγ-rays have lower frequencies than X-rays.
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Correct answer: C. Ultraviolet waves have higher frequencies than visible light waves.
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