A-Level Edexcel Physics A2 5.4.142 - Half-life and radioactive decay equations Topic Practice

• 142 be able to determine the half-lives of radioactive isotopes graphically and be able to use the equations for radioactive decay activity NA λ=, d𝑁𝑁 d𝑡𝑡= −λN, 2ln t=λ, N = N0 e-λt and A = A0 e-λt and derive and use the corresponding log equations.