Assume that the isotope U238 and U235 are found in the ratio 64 : 1 pr – InterviewSolution

1.	Assume that the isotope U238 and U235 are found in the ratio 64 : 1 presently at a planet. At the time of the creation of the planet, they were present in an equal ratio.What is the age of the planet (in million years 106 ). The half-life period of U238 and U235 are 4.45×109 and 7.0×108 year respectively.
Answer» Assume that the isotope $U^{238}$ and $U^{235}$ are found in the ratio 64 : 1 presently at a planet. At the time of the creation of the planet, they were present in an equal ratio.What is the age of the planet (in million years $10^{6}$ ). The half-life period of $U^{238}$ and $U^{235}$ are $4.45 \times 10^{9}$ and $7.0 \times 10^{8}$ year respectively.

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