Question
Medium
Solving time: 3 mins
A pieces of bone an animals from a ruin is found to have activity of 12 disintegrations per minute per gm of its carbon content. The activity of of a living animal is 16 disintegration per minute per gm How long ago nearly did the animal die?
(Given half of life is =5760 years)
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Text solutionVerified
The initial activity of is . after a time of t years, activity reduces to . from Radioactivity Law,
where Half life
So,
where Half life
So,
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Question Text | A pieces of bone an animals from a ruin is found to have activity of 12 disintegrations per minute per gm of its carbon content. The activity of of a living animal is 16 disintegration per minute per gm How long ago nearly did the animal die? (Given half of life is =5760 years) |
Topic | Nuclei |
Subject | Physics |
Class | Class 12 |
Answer Type | Text solution:1 |
Upvotes | 97 |