a. Find an expression in terms of t for the half-life t1/2
Chapter 41, Problem 41.80(choose chapter or problem)
a. Find an expression in terms of t for the half-life t1/2 of a sample of excited atoms. The half-life is the time at which half of the excited atoms have undergone a quantum jump and emitted a photon. b. What is the half-life of the 3p state of sodium?
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