B. A uranium-238 is used to determine the age of an unearthed rock. It was found
out that the rock contains 25% Lead-206 in proportion to urarium-238, What is the
absolute age of the rock?
out that the rock contains 25% Lead-206 in proportion to urarium-238, What is the
absolute age of the rock?
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Answer:
The half - life of U 238 is about 4.5 billion years. As time passes, the ratio of Pb 206 to U 238 will increase and it is this which enables the age of the rock to be estimated
Explanation:
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