A radioactive sample initially contains N atoms. After three half-lives the number of atoms that have disintegrated is

Question 1 Report

A radioactive sample initially contains N atoms. After three half-lives the number of atoms that have disintegrated is

N

8

3N

8

5N

8

7N

8

Answer Details

N $\to$ $\frac{N}{2}$ $\to$ $\frac{N}{4}$ $\to$ $\frac{N}{8}$

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Temperature And Its Measurement

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