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Oct 2, 2012 · It describes radioactive decay, isotopes, sources of radiation like background radiation, and applications of radioactivity like carbon dating and medical uses. Detection methods like Geiger counters and principles like half-life are also summarized.
It then discusses radioactivity and the types of radiation emitted by radioactive substances (alpha, beta, gamma rays), their properties, and how radioactivity is measured using devices like Geiger counters.
Radioactivity. This document summarizes the key aspects of radioactivity covered in a physics project. It discusses the three main types of radioactive decay - alpha, beta, and gamma decay. Alpha decay occurs when a nucleus has too many protons, causing it to emit a helium nucleus.
1 Radioactivity. 2 What is Radiation? Radiation - particles or energy released from a nucleus during radioactive decay. Radioactive decay is the spontaneous disintegration of a nucleus into a smaller nucleus. 3 Pioneers of Radioactivity. Clockwise from left: Wilhelm Roentgen, Henri Becquerel, Marie and Pierre Curie, Hans Geiger, and Enrico Fermi.
Radioactivity. In radioactive processes, particles or electromagnetic radiation are emitted from the nucleus. The most common forms of radiation emitted have been traditionally classified as alpha (a), beta (b), and gamma (g) radiation.
Radioactivity is the emission of subatomic particles or high-energy electromagnetic radiation by the nuclei of certain atoms. Atoms that emit radiation are said to be radioactive. 3 Medicine and Other Applications. Radioactivity has numerous applications, especially in medicine.
Nov 5, 2019 · Theory of Radioactivity Radioactive Decay Mechanism • Certain materials emit radiation without an external source of energy. • Different radioactive substances put in the magnetic field, deflect in different directions or not at all, proving three classes of radioactivity: negative, positive, and electrically neutral.
Jan 5, 2020 · What You Will Learn: • Compare and contrast alpha, beta, and gamma radiation • Define the half-life of a radioactive material • Describe the process of radioactive dating Nuclear Radiation • Occurs when an unstable nucleus decays, particles and energy called nuclear radiation are emitted from it. • 3 types: • Aplha • Beta • Gamma
Sep 20, 2011 · • Ionizing radiation • is radiation with enough energy so that during an interaction with an atom, it can remove tightly bound electrons from their orbits, causing the atom to become charged or ionized (examples: gamma rays, neutrons) • Non-ionizing radiation • is radiation without enough energy to to separate molecules or remove ...
PowerPoint Presentation. Thermodynamic concepts of radiation (a) Black-body radiation — classical theory predicted (wrongly) increasing emission with increasing frequency (v) from an amorphous black surface. Quantum theory introduced by Planck agreed with observations.
