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Question 8 a) State the equation which describes how the number of nuclei of a certain radioisotope varies with time. Give the meanings of all

Question 8

a) State the equation which describes how the number of nuclei of a certain radioisotope varies with time. Give the meanings of all the terms in the equation.

b) In reality this equation is never followed exactly. What feature of radioactive decay is responsible for this? [3.1

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