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◾ Materi : Getaran dan Gelombang◾ Sub materi : Gelombang
◾ Mapel : Fisika
◾ Keyword : Gelombang
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Diketahui :
λ = 120m
v = 3x10^8 m/s
Ditanya :
f = ?
Penyelesaian :
v = λf
3x10^8 = 120f
f = 3x10^8/120
f = 0,025x10^8 Hz
f = 2,5x10^6 Hz
f = 2,5 MHz
Jadi, frekuensi siaran radio tsb adalah 2,5 MHz
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-vin