The half-life of a radioactive isotope `X` is `50` years. It decays to another element
Channel: Doubtnut
Date: 2020-01-19

The half-life of a radioactive isotope `X` is `50` years. It decays to another element `Y` which is stable. The two elements `X` and `Y` were found to be in the ratio of `1 : 15` in a sample of a given rock. The age of the rock was estimated to be