Question
Medium
Solving time: 3 mins
Half-life of a radioactive substance is . At time activity of a radioactive substance is and at time it is . Find the number of nuclei decayed in this interval of time.
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Text solutionVerified
Half-life is given by
Activity
When activity is , numbers of nuclei are
Similarly,
Numbers decayed
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Question Text | Half-life of a radioactive substance is . At time activity of a radioactive substance is and at time it is . Find the number of nuclei decayed in this interval of time. |
Topic | Nuclei |
Subject | Physics |
Class | Class 12 |
Answer Type | Text solution:1 |
Upvotes | 57 |