A) Potassium- argon method
B) Uranium-lead method
C) Electron spin resonance method
D) Radio carbon method
Correct Answer: C
Solution :
Electron spin resonance method is the relatively most accurate method for dating fossils. Electron spin resonance dating is a relatively. New more precise and most accurate method of dating. In radioactive carbon method, C-14 is used. Its half life is 5730 years. In uranium-lead method, the uranium \[\left( {{\text{U}}^{\text{238}}} \right)\] is used. The half-life period of \[{{U}^{238}}\]is \[\text{4}.\text{5}\times \text{1}{{0}^{\text{1}0}}\]years. It means one-half of \[{{U}^{238}}\] will convert into \[\text{L}{{\text{d}}^{\text{2}0\text{6}}}\] after 4.5 billion years.
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