Physics
Physics, 20.12.2019 07:31, monstax6

You have an empty 20 oz. soda bottle and you blow air over the opening to excite a fundamental standing wave. now, you slice off the bottom of the bottle (it’s plastic) without changing its length very much. you blow over the opening and excite a fundamental standing wave in the bottle with its bottom end open. the frequency of the standing wave in the second case:

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