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and are two radioactive substances whose half lives are 1 and 2 years, respectively. Initially, of and of is taken. The time (approx) after which they will have same quantity remaining is
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Text solutionVerified
As,
where, is half-life of radioactive substance.
and
For required condition,
Taking log on both sides,
where, is half-life of radioactive substance.
and
For required condition,
Taking log on both sides,
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Question Text | and are two radioactive substances whose half lives are 1 and 2 years, respectively. Initially, of and of is taken. The time (approx) after which they will have same quantity remaining is |
Updated On | Mar 21, 2023 |
Topic | Nuclei |
Subject | Physics |
Class | Class 12 |
Answer Type | Text solution:1 Video solution: 2 |
Upvotes | 237 |
Avg. Video Duration | 6 min |