Yellow light has a frequency of 5.2 × 1014 Hz and travels at a speed of 3.0 × 108 m/s. What is the wavelength of yellow light, in meters?

Use the wave relationship wavelength = speed ÷ frequency. Dividing 3.0 × 10⁸ m/s by 5.2 × 10¹⁴ Hz gives about 5.8 × 10⁻⁷ m. Therefore, the wavelength is 5.8 × 10⁻⁷ m, choice A.

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