A radio isotope X with a half life 1.4×109 years decays to Y, which i – InterviewSolution

1.	A radio isotope X with a half life 1.4×109 years decays to Y, which is stable. A sample of the rock from a cave was found to contain X and Y in the ratio 1 : 7. The age of the rock is
Answer» A radio isotope X with a half life $1.4 \times 10^{9}$ years decays to Y, which is stable. A sample of the rock from a cave was found to contain X and Y in the ratio 1 : 7. The age of the rock is

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