Chapter 1: Atomic & Nuclear Physics Mcqs for High School - Grade 10

Q.  The half-life of a radioactive element is 10 minutes. If the initial count rate is 368 counts per minute, then the time for which count rate reaches 46 counts per minute would be?

a. 30 minutes
b. 40 minutes
c. 15 minutes
d. 23 minutes


ANSWER: See Answer
 
No explanation is available for this question!
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