Anwita is on a geology feild trip and finds a rock that contains 38% of the original potassium-40, while remaining amount of potassium-40 had decayed into argon-40. The half - life of potassium-40 is 1.25 x 109 years. Assume the only decay product is argon- 40. How old is the rock in billions of years (109 years
Anwita is on a geology feild trip and finds a rock that contains 38% of the original potassium-40, while remaining amount of potassium-40 had decayed into argon-40. The half - life of potassium-40 is 1.25 x 109 years. Assume the only decay product is argon- 40. How old is the rock in billions of years (109 years
Chapter10: Radioactivity And Nuclear Processes
Section: Chapter Questions
Problem 10.17E
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Anwita is on a geology feild trip and finds a rock that contains 38% of the original potassium-40, while remaining amount of potassium-40 had decayed into argon-40. The half - life of potassium-40 is 1.25 x 109 years. Assume the only decay product is argon- 40. How old is the rock in billions of years (109 years) ?
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