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T ( Periode bunyi ) = 2,5 s
v bunyi ( cepat rambat bunyi ) = 380 m/s
Ditanyakan :
Panjang gelombang bunyi ( λ ) ?
Masukkan persamaannya :
λ = v * T
λ = 380 m/s * 2,5 s
λ = 950 m
Jadi, panjang gelombang bunyi tersebut adalah 950 meter