Question

what is mean by activity of a radioactive substance? write it's Si unit​

Answer 1

Activity of radioactive substance is defined as the number of disintegration takes place in the given sample per second. Its SI unit is Becquerel (Bq). 1 Bq is one disintegration per second.

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Answer 2

Answer:

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Explanation:

Activity of radioactive substance is defined as the number of disintegration takes place in the given sample per second. Its SI unit is Becquerel (Bq).

1 Bq is one disintegration per second.

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