Assertion: closed tube | /r/HasAspect | point greatest vibration
Facets:
value: at the phi point
type: TEMPORAL
Source sentences:
text: In a closed tube, a displacement node, or point of no vibration, always appears at the closed end and if the tube is resonating, it will have an antinode, or point greatest vibration at the Phi point (length × 0.618) near the open end.