In this experiment a flask of air is evacuated until the point is reached when the alpha particles from a radioactive source ... The voltage established between the central wire holding the radioactive substance and the walls then falls dramatically and thus one can estimate the range of the ... The sphere is evacuated by means of a rotary pump and the pressure noted from readings on a mercury manometeranbsp;...
|Title||:||Manual of experiments in applied physics|
|Author||:||Ernest Victor Smith|