The half lives of radioactive elements `X` and `Y` are `3` mintue and `27` minute respectively. If the activities of both are same, then calculate the

Question

The half lives of radioactive elements `X` and `Y` are `3` mintue and `27` minute respectively. If the activities of both are same, then calculate the

The half lives of radioactive elements `X` and `Y` are `3` mintue and `27` minute respectively. If the activities of both are same, then calculate the ratio of number of atoms of X and Y.

Monjur Alahi

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2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - `1//9`
Activity of x= Activity of y or `n_(x) lambda_(x)=n_(y) lambda_(y)`
`implies n_(x)[0.693/((T_(1//2))_(x))]=n_(y)[0.693/((T_(1//2))_(y))]`
`implies n_(x)/n_(y)=((T_(1//2))_(x))/((T_(1//2))_(y))=3/27=1/9`

5 views Answered 2023-02-05 15:29