When a Beam of Nuclear Radiation of Initial Intensity I₀

question 22

Multiple Choice

When a beam of nuclear radiation of initial intensity I₀ passes through a thickness x of material, the intensity of the beam exiting the material is I =

• A) I₀e−μx.
• B) I₀eμx.
• C) I₀(e−μx − 1).
• D) I₀(eμx − 1).
• E) I₀(1 − e−μx).

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