Moderate
The half-life of caron is 5730 years. How much carbon will be left after 22920 years?
Correct answer: B. 1/16
- A. 1/32
- B. 1/16
- C. 1/64
- D. 1/4
Explanation
Amount of Carbon decayed= 22920/5730=4 half lifes passed. The half lifes left are ½ *½ * ½* ½ = 1/16th.
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Atomic nuclei contain protons and neutrons, with nuclear size, mass defect and binding energy describing their stability. The work covers alpha, beta and gamma decay, decay equations, half-life and decay rate, along with radiation safety and medical applications such as imaging, radiotherapy and tracers.
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