The isotope 16 7 N decays with a half-life of 7.4 s. a. Calculate the decay constant

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The isotope 167N decays with a half-life of 7.4 s.
a. Calculate the decay constant for this nuclide.
b. A sample of N initially contains 5000 nuclei. Calculate how many will remain after a time of:
i. 14.8 s
ii. 20.0 s.

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Cambridge International AS And A Level Physics Coursebook

ISBN: 9781108859035

3rd Edition

Authors: David Sang, Graham Jones, Gurinder Chadha, Richard Woodside

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