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Chery Chery
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7 years ago Edited: A year ago, bio_man
The decay constant of a radioactive nuclide is 3.1 x 10^-3 1/s. At a given instant, the activity of a specimen of the nuclide is 70 kBq. How much later has the activity declined to 10 kBq?
A) 630 s
B) 690 s
C) 750 s
D) 820 s
E) 880 s
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College Physics

College Physics


Edition: 1st
Authors:
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noreyaganoreyaga
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Chery Author
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#2
7 years ago
Thanks a million
wrote...
#3
2 years ago
thank you
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#4
2 years ago
Thanks!
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