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Name |
Bouguer Law of Absorption |
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Equation |
φ
=
φ
0
exp
(
-
α
x
)
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Definition of terms |
φ = intensity of light at position x , φ0= intensity of light at x = 0, α = absorptivity, x = position |
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Comments |
If a block of uniform matter is illuminated by light of intensity φ0, then after the light has travelled a distance x , the intensity will be φ as given. |
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References
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