CBSE Class 12-science Answered
the half life span of a radioactive element is 10 years .in no. will 10 gram of that substances remain 1•25 gram
Asked by mishraridhi2020 | 23 Jun, 2022, 09:16: AM
Half life is calculated by-
![straight T subscript 1 divided by 2 end subscript space equals 10 space hours
straight T subscript mean equals space 1.44 space straight T subscript 1 divided by 2 end subscript
straight T subscript mean space space end subscript equals space 1.44 space straight T subscript 1 divided by 2 end subscript
straight T subscript mean equals space 1.44 cross times 10 equals 14.4 space hr](https://images.topperlearning.com/topper/tinymce/cache/8bb55a14831cf2a0393d2c48a3415d11.png)
Answered by Ravi | 27 Jun, 2022, 18:49: PM
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