February 2019 0 8 Report
Poziom natężenia pewnego dźwięku wynosi 40 dB. jaki będzie poizom nateżena tego dziwęku jeżeli jego natężenie wzrośnie 1000 razy.

Wiem ze podstawiam za L=40dB=4b
i stad 4=log I/Izero
ale nie wiem co dalej proszę o pomoc:)
Daje naj
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