v=3.289x1015(2 n2 n2>n1 △E=hv =6.626x104J-s×3289x105( =217x10-划 -Ti n 1n2 )RH:Rydberg constant, 2.179×10-18J-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 1 0 ( 2 2 2 1 -18 n n -1 2 2 2 1 34 15 )s 1 1 6.626 1 0 J s 3.289 1 0 ( n n