(c)A person hums into the top of a well and finds that standing waves are established at frequencies of 28.8, 48.0, and 67.2 Hz. The frequency of 28.8 Hz is not necessarily the fundamental frequency. Determine the depth of the well.

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Electromagnetic Waves

Electromagnetic waves are waves that consist of magnetic field and electric field components perpendicular to each other. These field components are also perpendicular to the direction of propagation of the wave.