Nuclei - Result Question 87
89. The activity of a radioactive sample is measured as 9750 counts per minute at
[1997]
(a) 0.922 per minute
(c) 0.461 per minute
(b) 0.691 per minute
(d) 0.230 per minute
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Answer:
Correct Answer: 89. (c)
Solution:
(c)
(1)
(2)
Dividing (1) by (2)
