Web4 de mar. de 2024 · Today, the most common artificial sources of human exposure to radiation are X-ray machines and radiopharmaceuticals used for diagnostic or radiotherapy and other medical devices. Exposure to radiation can result from natural, planned (medical, occupational) or accidental situations and it may be external, internal (inhalation, … WebGamma rays have the smallest wavelengths and the most energy of any wave in the electromagnetic spectrum. They are produced by the hottest and most energetic objects in the universe, such as neutron stars and …
Radiation Basics US EPA Radiation Basics
Web8 de nov. de 2016 · Gamma ray bursts (GRB s) are the brightest electromagnetic blasts known to occur in the Universe, and can originate from the collapse of the most massive types of stars or from the collision of two neutron stars.Supernovae are stellar explosions that also can send harmful radiation hurtling towards Earth. Both GRB s and … Web7. 1. Infrared has a frequency of 8x1010 Hz, while gamma radiation has 1x1019 Hz. What can be inferred from this? Select one: Gamma radiation is more harmful than infrared Infrared is more harmful than gamma radiation Gamma radiation and infrared are both highly harmful Gamma radiation and infrared are both highly safe; 8. incheon location
atomic physics - If gamma radiation is harmful to humans, why …
WebExamples of high-energy radiation include x-rays and gamma rays. These rays, as well as some higher energy ultraviolet (UV) rays, are forms of ionizing radiation, which means they have enough energy to remove an electron from (ionize) an atom. This can damage the DNA (genes) inside of cells, which can sometimes lead to cancer. Web1 de jan. de 1994 · (A milliRem is 1/1000th of a Rem. According to McGraw-Hill's Dictionary of Scientific and Technical Terms, a Rem is a unit of ionizing radiation equal to the … WebThe rate of decay is important (it's very slow so less harmful) but the lack of harm can also be attributed to the type of radiation. If I remember correctly the two main radioactive isotopes found in the human body are carbon-14 and potassium-40. Neither of these produce the alpha particles or gamma rays which are the most harmful internally. incomebasedhousing