i don't think so, i thought it was just a light thing. i mean, the waves do all reflect internally in a ripple tank, but that's just because of the walls, it's nothing to do with refraction.
the only time i've heard TIR mentioned is concerning light and prisms [or other refracting things], when the light enters the prism at the right angle so that it doesn't emerge again. i think... i hope...
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Guns don't kill people, People kill people! Using Guns.
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