Multiple Choice
A sample of a radioisotope shows an activity of 999 disintegrations per minute due to beta decay. If after 1.10 years the activity is 952 disintegrations per minute, what is the half-life of this radioisotope
A) 4.38 * 10-2 yr
B) 11.4 yr
C) 0.25 yr
D) 15.8 yr
E) 9.1 yr
Correct Answer:
Verified
Correct Answer:
Verified
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