Which one of the following is the most useful tracer?
Correct answer: B. Carbon-14
- A. Strontium-90
- B. Carbon-14
- C. Iodine-131
- D. Cobalt-60
Explanation
Carbon-14 is a widely used and versatile radioactive tracer in various scientific fields. It is commonly used in radiocarbon dating, as well as in biological and biochemical studies. C-14 can be used to trace the movement and behavior of carbon-containing compounds in living organisms. It is valuable for dating archaeological and geological samples.
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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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