he count rate for a particular a source X is C0 on a detector placed 1 m from the source. When a metal sheet of thickness 5mm is placed between source and counter the count rate drops by 75%. What is the value of the attenuation coefficient, μ, for this radiation and metal? Select one: a. 6.93 mm b. 0.12 mm-1 c. 0.277 mm-1 d. 3.01 mm
he count rate for a particular a source X is C0 on a detector placed 1 m from the source. When a metal sheet of thickness 5mm is placed between source and counter the count rate drops by 75%. What is the value of the attenuation coefficient, μ, for this radiation and metal? Select one: a. 6.93 mm b. 0.12 mm-1 c. 0.277 mm-1 d. 3.01 mm
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The count rate for a particular a source X is C0 on a detector placed 1 m from the source. When a metal sheet of thickness 5mm is placed between source and counter the count rate drops by 75%.
What is the value of the attenuation coefficient, μ, for this radiation and metal?
Select one:
a. 6.93 mm
b. 0.12 mm-1
c. 0.277 mm-1
d. 3.01 mm
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