y=3.289×1015(1 n n2>n1 △E=hv =6.626×1034J-s×3.289×1015( 之 =2.179×1018(1 2 RH:Rydberg constant, 2.179×1018J -1 2 2 2 1 15 )s 1 1 3.289 10 ( n n v =  − n2  n1 E = hv RH：Rydberg constant， 2.179×10-18J. ) 1 1 ( 2 2 2 1 H n n E = R − )J 1 1 2.179 10 ( 2 2 2 1 -1 8 n n =  − -1 2 2 2 1 3 4 1 5 )s 1 1 6.626 10 J s 3.289 10 ( n n =     − −