Assertion: tube's length | /r/HasProperty | equal
Facets:
value: approximately
type: DEGREE
Source sentences:
text: The length of the rod L was equal to a half wavelength of the sound in metal, and the distance between the piles of powder d was equal to a half wavelength of the sound in air.
text: A less accurate method of determining wavelength with a tube, used before Kundt, is simply to measure the length of the tube at resonance, which is approximately equal to a multiple of a half wavelength.