Question: A weak pressure wave (sound wave) Δp propagates through still air. Discuss the type of reflected pulse which occurs, and the boundary conditions which must

A weak pressure wave (sound wave) Δp propagates through still air. Discuss the type of reflected pulse which occurs, and the boundary conditions which must be satisfied, when the wave strikes normal to, and is reflected from,
(a) A solid wall; and
(b) A free liquid surface.

INCIDENT WAVE REFLECTED WAVE AV REFLECTED V C V 0, P LIQUID SURFACE LIQUID SURFACE INCIDENT WAVE TRANSMITTED WAVE

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