radio waves
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The signal with the longest wavelength is radio waves. They have wavelengths ranging from meters to kilometers.
Red light has the longest wavelength and the shortest frequency among the visible light spectrum.
Radio waves have the longest wavelength in the electromagnetic spectrum.
The longest wavelength on the electromagnetic spectrum is radio waves, which can have wavelengths ranging from tens of meters to thousands of kilometers.
The frequency with the longer wavelength is 550 KHz, as lower frequencies have longer wavelengths. The higher the frequency, the shorter the wavelength.
No. In the visible portion of the electromagnetic spectrum, the waves at the red end have the longest wavelength (lowest frequency), and those at the violet end have the shortest wavelength (highest frequency).