Definition, including wavelength, wave number, frequency, period, and amplitude. Mention of electromagnetic waves as a kind of traveling wave.

Equations for a traveling wave in a string, including frequency, wavelength, and wave number. Wave equations and the Poynting vector for traveling electromagnetic waves.

Identify the value of k (wavenumber) in a plot of cos(kx).

4-part problem; finding A, f, p, v, λ, ν, and sketching the wave; finding transverse speed and standing waves.

Solution (PDF)

4-part problem; finding λ, ν, f, p and sketching; finding transverse speed and propagation speed.

Solution (PDF)

Calculating time error for bat's measurement; scale error for methane-filled cave.

Solution (PDF)

How do you know sound is not an EM wave?

Solution (PDF)

Finding the equation for a traveling wave in the x-z plane given v, A, and f.

Solution (PDF)

Video animation showing the electric and magnetic fields of a propagating plane wave.