Multiple Choice
A Geiger counter registers a count rate of 8,000 counts per minute from a sample of a radioisotope.The count rate 24 minutes later is 1,000 counts per minute.The half-life of the radioisotope is
A) 3 minutes.
B) 4 minutes.
C) 6 minutes.
D) 8 minutes.
E) 12 minutes.
Correct Answer:
Verified
Correct Answer:
Verified
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