Franck Hertz expiriment (maybe you know??)

[costa nadav]

in experiment i performed of Franck H I got that the maxima interval are becoming larger as the temprature grows.
This is not as it should be by the theore
Can anyone answer that
?

[heumpje]

Perhaps a small explanation of the experiment could help generating more repons. I, for one, am not in the mood to search the web for F. Hertz experiments....

[selfAdjoint]

I did a google and here's the description. It got the Nobel Prize. Franck-Herz experiment (http://hyperphysics.phy-astr.gsu.edu/hbase/FrHz.html)