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Grade: 12
        
The half  life  of a radioactive  isotope 'X' is 50 years . It decay to another element 'Y' which is stable. The two elements 'X' and 'Y' were to be found in the ratio of 1:15 in a sample of a given rock. The age of the rock was estimated  to be
2 months ago

Answers : (1)

Simran Vinaik
askIITians Faculty
1213 Points
							Pls see the attached image
554-852_pfff.jpg
2 months ago
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