Question
In a cabinet at the physics department you will find an old Strontium preparation 90Sr that is 14 years old. A protocol showed that the
In a cabinet at the physics department you will find an old Strontium preparation 90Sr that is 14 years old. A protocol showed that the activity was then measured at 2780 pulses/minute at a background radiation of 210 pulses/minute. The half-life of strontium 90 is 29.1 years. How many pulses should be measured today, if the background radiation is the same now as then?
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Applied Physics
Authors: Dale ewen, Neill schurter, P. erik gundersen
10th Edition
978-0136116332, 136116337, 9780132830096, 978-0132109277
