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Re: sound waves in water
I believe Tony is correct, but there are also
sound waves "on" water, which have a transverse
component, as in the water waves you mentioned.
This is more like the kind of wave you find at
the interface between fluid and membrane in the
I think that any kind of vibration that
propagates can be called sound; for a transverse
component to propagate, you need something to
provide a transverse restoring force. For waves
on water, gravity provides that; on the BM in the
cochlea, the BM stiffness provides it. In free
water with no boundaries nearby, probably you
just get compression waves.
At 6:22 PM -0500 1/13/11, Antonio Miller wrote:
Sound waves in water are longitudinal (compression) waves. The
underlying physics is the same for air and water, just the material
properties (and hence the speed of sound) of the two fluids are
On Thu, Jan 13, 2011 at 5:46 PM, Sarah Hargus Ferguson
A student asked me a question the other day that¹s got me stumped:
Sound waves in air are longitudinal, and water waves have both transverse
and longitudinal elements. But what about sound waves in water?