Physics (AS & A Level) · Oct / Nov 2023 · Paper 12 · Question 23
A student is investigating two electromagnetic waves, X and Y, in a vacuum. Wave X has a wavelength of 5.2 × 10⁻⁷ m. Wave Y has a frequency of 9.4 GHz. Which principal regions of the electromagnetic spectrum contain waves X and Y?
- AX: radio wave, Y: ultraviolet
- BX: ultraviolet, Y: visible
- CX: visible, Y: microwave
- DX: microwave, Y: radio wave
As printed in the paper
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Correct answer: C. X: visible, Y: microwave
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