In this video, you can hear how the taller plastic bottle creates more of an echo when water is poured due to sound waves bouncing off inside the bottle for longer. The shorter cup limits the resonance duration compared to the taller one.
In this video, you can hear how the taller plastic bottle creates more of an echo when water is poured due to sound waves bouncing off inside the bottle for longer. The shorter cup limits the resonance duration compared to the taller one.