ber–bouguer qonuni

ber–bouguer qonuni ber–bouguer qonuni hisoblash va yutilish koeffitsiyentini tahlil qilish nazariy asos ber–bouguer qonuni yorug‘likning muhitda yutilishini ifodalaydi: i = i₀ e^(−α l) i₀ — kirish intensivligi, i — chiqish intensivligi α — yutilish koeffitsiyenti, l — yo‘l uzunligi qonunning isboti kichik qalinlik dx uchun: di = −α i dx differensial tenglama: di/dx = −α i integrallash orqali: i = i₀ e^(−α l) hisoblash usullari to‘g‘ridan-to‘g‘ri hisoblash: α = −(1/l) ln(i/i₀) spektrofotometriyada absorbans (a): a = log₁₀(i₀/i) = ε c l bog‘lanish: α = ε c ln(10) raqamli misol berilgan: i₀ = 100, i = 30, l = 2 cm α = −(1/2) ln(30/100) ≈ 0.601 cm⁻¹ absorbans: a = log₁₀(100/30) ≈ 0.523 ε ≈ 26.15 l·mol⁻¹·cm⁻¹ (c = 0.01 …

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