Physics, asked by bruno7892, 8 months ago

A radioactive substance contains 10000 nuclei and its halflife
period is 20 days. The number of nuclei present at the
end of 10 days is
(a) 7070 (b) 9000
(c) 8000 (d) 7500

Answers

Answered by tulsiupadhyay123

0

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