Jawabanmu

2014-04-10T12:55:22+07:00
2014-04-10T12:56:50+07:00
V =   λ.f

Keterangan:
v = kecepatan perambatan gelombang (m/s)
f = Frekuensi gelombang (Hz)
λ = panjang gelombang (m)