✔ 最佳答案
ALL waves founds in nature (e.g. water & sound) 都可以做到total internal reflection.
如 light wave一樣, water wave & sound wave 要由密度高的環境(slower speed)去密度低的環境(faster speed), 即是它們會因為環境的轉變而令到自己速度由慢變快.那麼它們便會偏遠法線normal.
water wave 可以是由水淺去水深. sound wave可以由空氣去玻璃.
(water wave travels faster in deep region than in shallow region.)
(sound wave travels faster in solid than in gas.)
當它們的入射角如 light wave般大過臨界角critical angle時, 就會出現total internal reflection的現象.
不過water wave 的total internal reflection未在香港的公開試考過, 而sound wave的total internal reflection現象則會在HKALE考.