Chapter 1 basic radiation physics slide set prepared in 2006 updated aug2007 by. Starter prompts pupils to write or draw what they know about nuclear radiation onto a postit note, this can then be. Approved training packages may be copied, distributed, displayed, incorporated in customized. Basic radiation physics detection and measurement of radiation is the property of its rightful owner. This video is part of the computed tomography and the astra toolbox training course, developed at. This material was produced under a susan harwood training grant from the occupational safety and health administration, u. Be familiar with some of the methods used to measure radiation dose.
Play with physics basic physics for 9th 10th students here i am providing the basic of physics in a very easy way. The knowledge of the basic radiation physics, including the structure of matter, elements of nuclear physics, the nature of electromagnetic radiation. The training material on this webpage is available for download. A chapter special lecture on introductory nuclear physics at b. Basic physics of ionizing radiation is the property of its rightful owner. Department of labor, nor does mention of trade names, commercial products, or organizations imply endorsement by. A handbook for teachers and students chapter 2 slide 460. Basic radiation physics continuing education course will present basic concepts of radiation, energy conversion and the generation of xrays, essential. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The realm of atomic and nuclear physics nuclear physics is the field of physics that studies the building blocks and interactions of atomic nuclei. The absorbed dose is the measure of this absorbed radiation energy and is defined as the radiation energy in joules absorbed by the unit mass in kilograms of the tissue. Introduction to several aspects of medical physics including radiotherapy, xray imaging, nuclear medicine, ultrasound, magnetic resonance imaging and cellular imaging. Understand the distinctions between the units of radiation.
Gray is directly related to a more familiar unit of absorbed dose. Gs021093 introduction to medical physics i basic interactions. Powerpoint presentations ppt collection for physics. Freeman and company prefixes depending on the scale one often likes to use prefixes. Radiation physics and nuclear technology invited talk, by p. Ppt basic radiation physics detection and measurement of. Assessment of the scientific information for the radiation exposure screening and education program. The intent of the text is to serve as a factual supplement to the various textbooks on medical physics and to provide basic radiation oncology physics knowledge in the form of a syllabus covering all modern aspects of radiation. To familiarize the student with the fundamental concepts of basic radiation detectors chapter 6.
Ppt basic physics of ionizing radiation powerpoint. Understand the basic physics of the electromagnetic and particulate forms of ionizing radiation. This section aims to serve as a quick reference guide to help when confronted with problems further in the book. Long term radiation risks are more difficult to assess.
Understanding the basic concepts in radiation physics, chemistry, and biology is important to the evaluation and interpretation of radiationinduced adverse health effects and to the derivation of radiation protection principles. Basic radiation physics continuing education course dentalcare. Radiation basics radiation is energy given off by matter in the form of rays or highspeed particles. Basic nuclear physics is the property of its rightful owner. Radiation physics for personnel and environmental protection. The purpose of this course is to provide the medical physics student with an introduction to ionizing radiation and its use in medicine. Basic radiation physics concepts and units of measurement, general considerations of radiation fields at accelerators, prompt radiation fields due to electrons, prompt radiation fields due to protons and ions, low energy prompt neutron radiation phenomena, shielding materials and neutron. Start studying chapter 4 basic physics for radiography. Course objectives understand the basic physics of the electromagnetic and particulate forms of ionizing radiation.
The irradiation of cellular material with such radiation. Radiation is energy in the form of particles or rays given off by unstable atoms. Basic radiation physics and sources of radiation diana adlien e kaunas university of technology, physics department, studentu g. There is some basic radiation physics that the dental student is expected to master in order to understand the workings of the dental xray machine. The purpose of the material is to train the trainers, who are hospital personnel e. New gcse aqa physics lesson on atoms and radiation written in line with new aqa physics specification. Podgorsak department of medical physics, mcgill university health centre, montreal. If so, share your ppt presentation slides online with. Many of the specific applications of these basic physics principles, such as brachytherapy and treatment planning, are presented elsewhere in this textbook.
Physical quantities and units physical quantities are characterized by their numerical value magnitude and associated unit. Chapter 1 basic radiation physics slide set prepared in 2006 updated aug2007 by e. Directly ionizing radiation charged particles electron, proton, alpha particle, heavy ion. Home radiation countermeasures centers of research. Introduction to radiation physics, quantities and units. The first symptoms show up after 6 hours if the whole body exposure exceeds a critical threshold rate of 50 100 rad the symptoms show up more rapidly and drastically. The ethical and historical issues of human radiation experiments cannot be understood without a basic grasp of the underlying science. The primary focus of the radiation countermeasures center of research excellence radccore program is to support basic, translational and applied research leading to new medical countermeasures against radiological and nuclear exposures due to terrorist attacks. Introduction to radiation physics, quantities and units radccore. Grantee materials by topic occupational safety and. The nucleus carries a positive electrical charge, while the electrons carry a negative. Photon monte carlo simulation thephotoelectricinteraction therayleighinteractioncoherentscattering 1.
Basic principles of radiation therapy shielding design. There are 7 basic units including other branches of physics. This requires more than a glossary defining technical terms. The severity and the timescale for the acute radiation syndrome depends on the maximum delivered dose. As xrays traverse through an object, it might get attenuated. The three basic particles of an atom are, protons, neutrons, and electrons. Topics covered include production of radiation, interactions of radiation with matter, and measurement of. All physical things are composed of matter that is inert but occupies space and can occur as a gas, a solid or a liquid.
Lesson provides a basic introduction to the unit of nuclear radiation, ideal for introduction and low ability groups. Radiation is energy that comes from a source and travels through space and may be able to penetrate various materials. If you continue browsing the site, you agree to the use of cookies on this website. In this chapter, we present the basic radiation physics needed for the practice of radiation oncology. Atoms form the basic building blocks of all matter.
Understand the distinctions between the units of radiation quantity, exposure and dose. Gupta slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Atomic physics or atom physics is the field of physics that studies atoms as an isolated system of electrons and an atomic nucleus. Symbols for physical quantities are set in italic type, while symbols for units are set in roman type e. Solid, liquid and gas atom is the fundamental unit of matter that cannot be subdivided by chemical methods. Ppt basic nuclear physics powerpoint presentation free.
In other words, all matter in the world begins with atoms they are elements like oxygen, hydrogen, and carbon. Fundamentals of radiation dosimetry and radiological physics. Matter is anything that has mass and occupies space. At least an intuitive understanding of the natural laws and scientific techniques of radiation science is necessary. The basic apparatus for generating x rays, the xray tube. The kind of radiation discussed in this document is called ionizing radiation because it can produce charged particles ions in matter. Light, radio, and microwaves are types of radiation that are called nonionizing.
Chapter 1 basic radiation physics concepts and units of measurement page 16 sometimes the mass attenuation length. To familiarize students with basic principles of radiation physics and modern physics used in radiotherapy. An understanding of the basic concepts in radiation physics, chemistry, and biology is important to the. It does not necessarily reflect the views or policies of the u. Basic radiation detectors slide set prepared in 2015 by j. The numerical value and the unit of a physical quantity must be separated. It is primarily concerned with the arrangement of electrons around. Chapter 1 basic radiation physics concepts and units of. The scientific issues related to radiation and associated. It presents topics that are included on the radiation therapy physics and biology examinations and is designed with the intent of presenting information. Free radiation physics books download ebooks online. Basic radiation physics detection and measurement of radiation nuclear physics and society physics department university of richmond nuclear basics scintillators make a flash of light when something.
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