Which electromagnetic wave has the longest wavelength among these options?

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Multiple Choice

Which electromagnetic wave has the longest wavelength among these options?

The key idea is that wavelength and frequency are inversely related for waves traveling at the same speed. Since all these electromagnetic waves move at the speed of light, a lower frequency means a longer wavelength. Among the options, radio waves have the lowest frequency, so they have the longest wavelength. Microwaves have shorter wavelengths than radio waves, while ultraviolet light and X-rays have much shorter wavelengths due to their higher frequencies.

Which electromagnetic wave has the longest wavelength among these options?

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Which electromagnetic wave has the longest wavelength among these options?

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