Lesson
Lesson-16.1.9- know the definition of the term half-life and understand that it is different for different radioactive isotopes.
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Lesson-16.1.8- explain the sources of background (ionizing) radiation from Earth and space. know that the activity of a radioactive source decreases over a period of time and is measured in becquerels.PreviousLesson-16.1.10- use the concept of the half-life to carry out simple calculations on activity, including graphical methods. describe uses of radioactivity in industry and medicine.Next