A 55-Kg Person Exposed to Thorium-234 Receives 7

question 43

Multiple Choice

A 55-kg person exposed to thorium-234 receives 7.5 × 10⁴ β particles, each with an energy of 1.6 × 10^-14 J. How many rads does the person receive?

• A) 2.1 × 10^-19 rads
• B) 1.2 × 10^-17 rads
• C) 2.2 × 10^-9 rads
• D) 1.2 × 10^-9 rads
• E) None of these choices is correct.

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