A small sample of radium gives a received count rate of 20 counts per minute in a
Question:
A small sample of radium gives a received count rate of 20 counts per minute in a detector. It is known that the counter detects only 10% of the decays from the sample. The sample contains 1.5 × 109 undecayed nuclei. Calculate the decay constant of this form of radium.
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The decay constant is the probability per unit time that a nucl...View the full answer
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Related Book For 
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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