Rad Physics Chapter 1 Questions and Answers Already Passed

Rad Physics Chapter 1 Questions and Answers Already Passed What type of radiation has no mass or charge? Electromagnetic radiation. What determines the energy of an X-ray photon? Its frequency or wavelength. What is the main property that distinguishes X-rays from visible light? Their shorter wavelength and higher energy. What is the primary source of natural background radiation? Radon gas. What happens when ionizing radiation interacts with matter? It transfers energy and can remove electrons from atoms. 2 What is the purpose of understanding radiation interactions in radiology? To optimize image quality and minimize patient exposure. What is the study of radiologic physics focused on? The principles of energy, matter, and radiation used in medical imaging. What is the smallest unit of an element that retains its properties? Atom. What subatomic particle carries a negative charge? Electron. What subatomic particle determines the element's identity? Proton. What is the central part of an atom called? Nucleus. 3 What does the term "isotope" refer to? Atoms of the same element with different numbers of neutrons. What determines the stability of an atom? The balance between protons and neutrons in the nucleus. What is the energy required to remove an electron from an atom? Binding energy. What force holds electrons in orbit around the nucleus? Electromagnetic force. What does the atomic number of an element represent? The number of protons in the nucleus. What is the term for the number of protons and neutrons in an atom's nucleus? Mass number. 4 What are the two main forms of ionizing radiation? Particulate radiation and electromagnetic radiation. What is the relationship between frequency and wavelength in electromagnetic waves? They are