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Half life period of C is about

1. 500 years
2. 5000 years
3. 50 years
4. 5 × 10⁴ years

Correct answer: 5000 years

Solution

The carbon isotope commonly used for radiocarbon dating is carbon-14, whose half-life is about 5,730 years. Among the choices, 5,000 years is the closest estimate.

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