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Activity of a radioactive substance decr...

Activity of a radioactive substance decreases from `8000 Bq` to `1000 Bq` in `9` days. What is the half-life and average life of the radioactive substance?

A

4 days

B

6 days

C

2 days

D

3 days

Text Solution

Verified by Experts

The correct Answer is:
A
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