Решение задачи по физике раздел 50 пункт 37 волны

37. The wide tube, closed bottom and placed vertically, filled to the brim with water. Above the upper opening of the tube is placed sounding tuning fork oscillation frequency ν is equal to 440 Hz. Through valve located at the bottom, the water is slowly released. When the water level in the tube is reduced by ΔH = 19,5 cm fork amplified sound. To determine the speed of sound in terms υ experience.

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)