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The wave — v = f lambda
acoustics
Sound is a travelling pressure wave: v = f lambda. Concert A at 440 Hz has wavelength 0.78 m in air (sealed). Unlike light it needs a MEDIUM - no air, no sound - and its speed is set by the medium's stiffness and density. Rests on chemistry (the medium).
source
Narrow Highway — acoustics
card id
card_acoustics_the_wave
address
WIT.codex.FCT/the-wave-v-f-lambda/REF.WITNESSED@narrow-highway
adjoining cards
- part of → Acoustics — waves, loudness, and harmonics — a pillar of acoustics (The wave)
- connects at → Chemistry — quantum mechanics applied, the periodic table — sound needs a material medium; its speed is set by the medium's stiffness and density
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