A Prove that t t In 2 In No Nt determines the half life of a

Last updated: 6/21/2023

A Prove that t t In 2 In No Nt determines the half life of a 30 g sample of Pu 239 which is 24 126 years if it will decay to 1 kg in 1 180 years 6 marks B Prove that it would take 17 6 years if an old sample of 10 g Co 60 with a half life of 5 3 years now decayed to 1 g 5 marks C Use A t Aoekt to determine how much of a 100 g sample is present after 250 years if the half life of Uranium 232 is 68 9 years 5 marks