Demi-vie et décroissance radioactive (complément : formule) 1ère enseignement scientifique
In this video, we revisit the concept of half-life and discover a formula that allows us to quickly calculate the number of radioactive nuclei still present in a sample after a whole number of half-lives. 00:00 - Explanation of the formula 01:14 - Demonstration of the formula 02:18 - Example Video ranking for 1st year science course ➡️ https://eprofs.fr/1ere-enseignement-s... Find other videos and free downloadable methodological guides: https://eprofs.fr Twitter: / e_profs Instagram: / e_profs_physique_chimie Facebook: / e-profs-467482426970398 TikTok: / eprofs
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