Physics (AS & A Level) · May / June 2018 · Paper 11 · Question 23
What can be deduced from a table of wavelengths of the waves in the electromagnetic spectrum?
- AGreen light has a shorter wavelength than X-rays.
- BRed light has a shorter wavelength than green light.
- CThe wavelength range for radio waves is less than that for infra-red waves.
- DThe wavelength range for X-rays is less than that for radio waves.
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Correct answer: D. The wavelength range for X-rays is less than that for radio waves.
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