jwb
resonansi pertama terjadi ketika panjang gelombang suara
= 2x panjang tabung
2L = λ
L = 20 cm
= 0.2 m
cepat rambat bunyi = 340 m/s
λ = 2L = 2 x 0.2 m
= 0.4 m
f = v/λ
f = 340 : 0.4
f = 850 Hz
frekuensi garpu tala = 850 Hz
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jwb
resonansi pertama terjadi ketika panjang gelombang suara
= 2x panjang tabung
2L = λ
L = 20 cm
= 0.2 m
cepat rambat bunyi = 340 m/s
2L = λ
λ = 2L = 2 x 0.2 m
= 0.4 m
f = v/λ
f = 340 : 0.4
f = 850 Hz
frekuensi garpu tala = 850 Hz