The Intensity of a Radioactive Beam Is Measured at a Distance

question 32

Multiple Choice

The intensity of a radioactive beam is measured at a distance of 100 cm and found to be 250 mR/min.What will the intensity of this beam be at 105 cm?

• A) 226.8 mR/min
• B) 238.1 mR/min
• C) 262.5 mR/min
• D) 275.6 mR/min

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Definitions:

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A range of effects that can occur in an individual whose mother consumed alcohol during pregnancy, including physical, behavioral, and learning problems.

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A genetic disorder that causes the progressive breakdown of nerve cells in the brain, affecting an individual's functional abilities and usually resulting in movement disorders and cognitive decline.

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Inflammation of endometrial tissue sloughed off into the abdominal cavity rather than out of the body during menstruation; the condition is characterized by abdominal pain and sometimes infertility.

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A condition characterized by the inability to conceive a child after trying for an extended period of time, due to factors affecting either or both partners.