Ondes Sonores Flashcards

1
Q

Ondes sonores

A

Propagent dans milieu materiel

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2
Q

Les ondes sonores propgent plus vide dans milieu dense

A

So like gaz-> liq -> solide?

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3
Q

Que forment les oscillations des ondes sonores

A

Variation de pression

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4
Q

Son grave —> fréquence:

A

basse

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5
Q

Son aigu

A

Fréquence élevé

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6
Q

Unité de mesure de puissance de son

A

Db (decibel)

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7
Q

Un ajout de 3 dB double Hz **

A

Un ajout de 3 dB double Hz **

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8
Q

A quelle niveau de dB peut l’oreille subir des dommages permanent

A

80+ dB

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9
Q

Son plus fort entendu

A

150+ dB

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10
Q

314m/s

A
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