Which of the following electromagnetic radiation has the longest wavelength? Select...

Check the final answer first, then review the worked steps.

Problem

Which of the following electromagnetic radiation has the longest wavelength? Select all that apply

Step-by-step solution

The longest wavelength corresponds to the wave with the fewest oscillations over a given distance. Visually inspecting the provided waveforms, the second, seventh, and eighth options show the fewest oscillations.

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Answer

The waves with the fewest cycles over the same horizontal distance have the longest wavelength.