Multiple Choice
An isotope of krypton has a half-life of 3 minutes. A sample of this isotope produces 1000 counts per minute in a Geiger counter. Determine the number of counts per minute produced after 15 minutes.
A) zero
B) 15
C) 30
D) 60
E) 1000
Correct Answer:
Verified
Correct Answer:
Verified
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