Be Still Inspirational Adult Coloring Therapy Featuring Psalms

Be Still Inspirational Adult Coloring Therapy Featuring Psalms

Fisika A. 150Hz
B. 90Hz
C. 25Hz
D. 10Hz​

A. 150Hz
B. 90Hz
C. 25Hz
D. 10Hz​

بِسْــــــــــــــــــمِ اللهِ الرَّحْمَنِ الرَّحِيْمِ

Diketahui:

  • s = 3m
  • n = 2,5

Ditanyakan

Frekuensi gelombang (F)=?

(1) mencari panjang gelombang (λ )

λ = s/n

λ = 3 / 2,5

λ = 1,2

(2) mencari frekuensi gelombang (F)

v = λ. f

30 = 1,2 . f

f = 30 / 1,2

f = 25 Hz

Opsi: C

اللهم صلي علي سيدنا محمد و علي اله وصحبه وسلم

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