7.12 know the definition of the term half-life and understand that it is different for different radioactive isotopes The Half-life is the time taken for the radioactivity of a specific isotope to fall to half its original value. Related Posts:1.01 use the following units: kilogram (kg), metre (m), metre/second (m/s),…1.03 plot and explain distance-time graphs1.04 know and use the relationship between average speed, distance moved and time taken1.06 know and use the relationship between acceleration, change in velocity and time taken1.07 plot and explain velocity-time graphs1.09 determine the distance travelled from the area between a velocity-time graph and the time axis stuart2022-11-29T15:42:34+00:00Categories: (b) Radioactivity, 7 Radioactivity and particles, Edexcel iGCSE Physics, Uncategorized|Tags: Double, GCSE, GCSE _Physics_Single, GCSE_Physics_SpecPoint, Physics, SpecPoint, Topic: Radioactivity| Share This Story, Choose Your Platform! FacebookXRedditLinkedInTumblrPinterestVkEmail