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Verified answer
KELAS = 12PELAJARAN = FISIKA
KATEGORI = Taraf Intensitas Bunyi
KATA KUNCI = intensitas ambang, perbandingan, jarak titik X dan Y
Diketahui :
Rx = 1 m
Ix= 10⁻⁶ wm⁻²
Io = 10⁻¹² wm⁻²
Ry = 10 m
Ditanyakan : Perbandingan Intensitas x dan y ?
Dijawab :
Ix/Iy = Ry² / Rp²
10⁻⁶/Iy = 10²/1²
10⁻⁶/Iy = 100
Iy = 10⁻⁶/100
Iy = 10⁻⁸
Jadi perbndingan TIx : TIy
Tix / TIy = 10 log Ix/Io / 10 log Iy/Io
= Log 10⁻⁶/10⁻¹² / Log 10⁻⁸/10⁻¹²
= 10⁶ / 10⁴
= 6/4
= 3 / 2
Jadi perbandingannya 3 : 2