The age of a rock containing lead and uranium is equal to `1.5xx10^9` years. The uranium is decaying into lead with half life equal to `4.5xx10^9` years. Find the ratio of lead to uranium present in the rock, assuming that initially no lead was present in the rock (given `2^(1/3)`=1.259)
FIITJEE|Exercise (NUMERICAL BASED QUESTIONS)|4 Videos
Similar Questions
Explore conceptually related problems
A radio isotope X with a half-life 1.4 xx 10^9 years decays of 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.
In a old rock, ratio of nuclei of uranium and lead is 1 : 1. Half life of uranium is 4.5 ×6 10^(9) yrs. Let initially it contains only uranium nuclei. How old is the rock ?
A radioactive isotope X with half-life 1.5xx10^(9) yr decays into a stable nucleus Y .A rock sample contains both elements X and Y in the ratio 1 : 15. They age of the rock is
A radio isotope X with a half life 1.4xx10^(9) yr decays of 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
The radium and uranium atoms in a sample of uranium mineral are in the ratio of 12.8xx10^(6) . If half life period of radium is 1620 years , the half life period of uranium will be
10 years ago, the age ratio of A and B was 3 : 5. The present age ratio is 2 : 3. The present age of A and B is.
A radoactive sample of ^(238)U decay to pb through a process for which the half is 4.5 xx 10^(9) year Find the rate of number of nuclei of pb to ^(238)U after a time of 1.5 xx 10^(9) year Given (2)^(19)= 1.26
A sample of rock from moon contains equal number of atoms of uranium and lead (t""_(1//2)for U=4.5xx10""^(9) year). The age of the rock would be
