Recent content by Download341

thanks another question arent beta particles fast? how much further should i place it and how much time will i take to open the shutter close it and bring the GM infront of the source?:confused:

I am designing an experiment to investigate how the number of beta particles scattered backwards depends on the thickness of a foil and the proton number of the foil material.I have decided on the source Sr-90 for beta emissions.i know what to do to. I will have the beta particles fired at the...