A radiation detector which is located 2.0 meters from a radiation source indicates a radiation intensity of 100. mCi (millicuries). What would the radiation intensity be if the detector was 4.0 meters from the source?

A) 25 mCi
B) 50. mCi
C) 2.0 x 10^2 mCi
D) 4.0 x 10^2 mCi


A

Environmental & Atmospheric Sciences

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