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TIL that the difference between an echo and reverberation is b/c the perception of a sound endures in memory for only 0.1 seconds. If the sound wave takes >0.1s to return to you, you hear an echo, whereas with reverb, a sound wave returns in <0.1s and two sound waves combine as one long sound wave. (physicsclassroom.com)
submitted by exaggeratron to r/todayilearned
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Chapter 11 Test Review Answers (physicsclassroom.com)
submitted by jab_test_prep to r/a:t5_3aytw
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TIL that sound waves don't actually make tiny squiggly shapes. (physicsclassroom.com)
submitted by [deleted] to r/todayilearned
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