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n = 1,5 gelombang
v = 2 m/s
Dit: T...?
Jawab:
λ = x/n
= 1,2/1,5 = 0,8 m
v = λ/T
T = λ/v
= 0,8/2
= 0,4 s
Lamda = 120 cm = 1,2 m
Kecepatan (v) = 2 m/s
Ditanya :
Periode (T) = ...
Jawab :
T x v = lamda
T = lamda ÷ v
T = 1,2 ÷ 2 m/s
T = 0,6 s