BUNYI
n = 1 → TI = 70 dan 80 dB
TI' = __?
TI' = TI + 11 log
TI' = 70 + 11 log
TI' = 81 dB ← jwb
TI₁ = 80 dB
10.log I₁/Io = 80
log I₁/Io = 8
I₁/I₀ = 10⁸
I₁ = 10⁸.I₀
TI₂ = 70 dB
10.log I₂/I₀ = 70
log I₂/I₀ = 7
I₂/I₀ = 10⁷
I₂ = 10⁷.I₀
Intensitas gabungan 2 sumber bunyi.
I = I₁ + I₂ = 10⁸.I₀ + 10⁷.I₀
I = 11. 10⁷.I₀
Taraf Intensitas
TI = 10.log I/I₀
TI = 10.log 11. 10⁷.I₀/I₀
TI = 10.( log 11 + log 10⁷ )
TI = 10.( 1,04 + 7 )
TI = 80,4 dB
Jawaban. D
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
BUNYI
n = 1 → TI = 70 dan 80 dB
TI' = __?
TI' = TI + 11 log
TI' = 70 + 11 log
TI' = 81 dB ← jwb
TI₁ = 80 dB
10.log I₁/Io = 80
log I₁/Io = 8
I₁/I₀ = 10⁸
I₁ = 10⁸.I₀
TI₂ = 70 dB
10.log I₂/I₀ = 70
log I₂/I₀ = 7
I₂/I₀ = 10⁷
I₂ = 10⁷.I₀
Intensitas gabungan 2 sumber bunyi.
I = I₁ + I₂ = 10⁸.I₀ + 10⁷.I₀
I = 11. 10⁷.I₀
Taraf Intensitas
TI = 10.log I/I₀
TI = 10.log 11. 10⁷.I₀/I₀
TI = 10.( log 11 + log 10⁷ )
TI = 10.( 1,04 + 7 )
TI = 80,4 dB
Jawaban. D