Multiple Choice
A hospital patient has been given some 131I (half-life = 8.04 d) which decays at 4.2 times the acceptable level for exposure to the general public.How long must the patient wait for the decay rate to reach the acceptable level? Assume that the material merely decays and is not excreted by the body.
A) 17 d
B) 12 d
C) 8.0 d
D) 7.2 d
Correct Answer:
Verified
Correct Answer:
Verified
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