A) How much mass is left in a piece of animal skin after 17,145 years when a newly made piece of leather about the same size contains approximately 5603g of C-14? The half-life of C-14 is 5,715 years. B)How many years old is a piece of fossilized charcoal if the fossil contains 13.289g of C-14 when a new piece of charcoal of similar size contains 6803.9g? The half-life of C-14 is 5,715 years.

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A: How many half-lives have passed if about 3% (rounded) of the original parent material is left?

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A: The equation in option (a) gives the energy of a photon.

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A: A parent-daughter isotope pair is The half-life time is Find:Decay constant.

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Q: Why does carbon dating not give any useful data for dinosaurs?

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Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.