Mathematical and Physical Journal
for High Schools
Issued by the MATFUND Foundation

Already signed up?
New to KöMaL?

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.

Statistics:

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

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.