Two tones, one at 500 Hz and the other at 1 000 Hz, propagate through the same column of air at 20 °C. Which statement correctly compares their wavelengths?
a) The 1 000 Hz tone has the same wavelength as the 500 Hz tone.
b) The 1 000 Hz tone has one-quarter the wavelength of the 500 Hz tone.
c) The 1 000 Hz tone has one-half the wavelength of the 500 Hz tone.
d) The 1 000 Hz tone has twice the wavelength of the 500 Hz tone.