The counting rate from a radioactive source is 4000 counts per second at time t=0. After 10 seconds, the counting rate is 1000 counts per second. a)What is the half-life? b)What is the counting rate after 20 seconds?
The counting rate from a radioactive source is 4000 counts per second at time t=0. After 10 seconds, the counting rate is 1000 counts per second. a)What is the half-life? b)What is the counting rate after 20 seconds?
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The counting rate from a radioactive source is 4000 counts per second at time t=0. After 10 seconds, the counting rate is 1000 counts per second.
a)What is the half-life?
b)What is the counting rate after 20 seconds?
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