An FM radio station broadcasts at 9.23 × 107 Hz. Given that the radio waves travel at 3.00 × 108 m/s, what is the wavelength of these waves?

Use the wave relationship wavelength = speed ÷ frequency. Here, (3.00 × 10⁸ m/s) ÷ (9.23 × 10⁷ Hz) ≈ 3.25 m, so the wavelength is 3.25 m (choice C).

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