Mathematical and Physical Journal
for High Schools
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Problem P. 4002. (September 2007)

P. 4002. The starting isotope of a decay chain is 238U and the stable final isotope of this decay chain is 206Pb. How many \alpha decays, and how many \beta decays occur in the decay chain?

(3 pont)

Deadline expired on October 11, 2007.


128 students sent a solution.
3 points:99 students.
2 points:9 students.
1 point:14 students.
0 point:3 students.
Unfair, not evaluated:3 solutionss.

Problems in Physics of KöMaL, September 2007