Interferometer Study of Radiations. 



45 



Ratio of Ionic Charge to Ionic ^Iass. 

 The relation of ionic charge to ionic mass is given by the 

 equation : 



The numerical value of this ratio may noAV be determined 

 from the values of magnetic shift, and the corresponding 



0.2 0.3 0.i 



MAGNETIC SHIFT/*,-/.' IN A.U. 



Fig. 2. 



values of H. For the lines given in Table I. the values are 

 given in Table II. 



Table II. 



Line- 

 Yellow. 



Blue. 

 Blue. 



Substance. 



Sodium 



Mercury Violet 



Cadmium 



Zinc 



Mercury Green. 



Cadmium Green. 



Mercury Yellow 



Cadmium ^^^"• 



Type of Lnie 

 elm (Michelson). 



22.45 X 10" -1 



23.81 X 10" I _ „ 



22.41 X 10- PP^ "• 



23.4G X 10' 



18.59 X 10" 



17.48 X 10« . 



U.-'iS X 10» VType I- 



11.93 X 10" ^ 



j-Type III. 



