does it not also vary due to propagation medium?
innit
(
discomeats This canoe,
Mon 12 Mar 2007, 19:33,
archived)
Nope
(
riverghost servicing your mum since,
Mon 12 Mar 2007, 19:38,
archived)
Yes it does.
Hence a standing wave in helium is higher frequency.
*skulks*
(
Carlossus,
Mon 12 Mar 2007, 20:00,
archived)