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Radioactive Decay Video Lecture | Modern Physics
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FAQs on Radioactive Decay Video Lecture - Modern Physics
| 1. What is radioactive decay? |  |
Ans. Radioactive decay is the spontaneous process in which an unstable atomic nucleus loses energy by emitting ionizing radiation. This process leads to the transformation of the original radioactive element into a different element or isotope.
| 2. How does radioactive decay occur? | |
Ans. Radioactive decay occurs when the forces within an atomic nucleus are not balanced. Unstable nuclei have excessive energy and release this energy in the form of radiation. There are three common types of radioactive decay: alpha decay, beta decay, and gamma decay.
| 3. What is the significance of radioactive decay in nuclear medicine? | |
Ans. Radioactive decay plays a crucial role in nuclear medicine. Radioisotopes produced through radioactive decay are used in various diagnostic and therapeutic procedures. For example, radioactive tracers are used to visualize organs, tissues, and metabolic processes in the body, aiding in the diagnosis of diseases.
| 4. How is the rate of radioactive decay measured? | |
Ans. The rate of radioactive decay is measured using the concept of half-life. The half-life of a radioactive element is the time it takes for half of the original amount of the element to decay. By measuring the decrease in the radioactive substance over time, scientists can determine its half-life and use it to understand the decay rate.
| 5. What safety precautions should be taken when working with radioactive materials? | |
Ans. When working with radioactive materials, it is essential to follow strict safety protocols. Some precautions include wearing appropriate protective clothing, using shielding to minimize radiation exposure, handling radioactive materials with specialized tools, and ensuring proper containment and storage of radioactive waste. Regular monitoring and adherence to safety guidelines are crucial to minimize the risks associated with radioactive materials.
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Nov 22, 2024 Last updated |
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