Physics (AS & A Level) · Feb / March 2021 · Paper 12 · Question 25
What is not a possible value for the wavelength of the named electromagnetic waves when it is travelling in a vacuum?
- Aγ-rays, 3 × 10⁻¹³ m
- BX-rays, 3 × 10⁻¹⁰ m
- Cinfrared, 3 × 10⁻⁶ m
- Dmicrowaves, 3 × 10⁻⁵ m
As printed in the paper
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Correct answer: D. microwaves, 3 × 10⁻⁵ m
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