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27.5 Nuclar Physics - Radioactive Decay - CIE A Level Physics

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Uploaded by on Aug 19, 2011

Explanation of CIE A Level Physics Syllabus Points 27.5 Nuclear Physics - Mass Excess and Nuclear Binding Energy.

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27. Nuclear Physics
Content
27.5 Radioactive Decay
Learning outcomes
Candidates should be able to:
(n) define the terms activity and decay constant and recall and solve
problems using A = lambdaN
(o) infer and sketch the exponential nature of radioactive decay and solve
problems using the relationship x = x0exp(--ët), where x could represent
activity, number of undecayed particles or received count rate
(p) define half-life
(q) solve problems using the relation lambda = 0. 693/t(half)

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