What is the dose where the beam enters the muscle

Reference no: EM13986275

A beam of photons passes through a muscle of thickness L. Assume that muscle has a mass density ρ and energy absorption coefficient μ_en. The energy fluence of the beam is ψ(x), at depth x.

a) What is the dose where the beam enters the muscle (the skin dose)?

b) Find the total energy absorbed per unit area in muscle of thickness L. Also find the average dose for the muscle. Your answers should be in terms of ψ(x), ρ , L, and μ_en .

c) Find the limiting values of the average dose as L ==> 0 and as L==>∞.

Reference no: EM13986275

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