Question

The electron in an hydrogen atom makes transition
from K-shell to M-shell. The ratio of angular velocity
in initial and final state is
(1) 1:3
(2) 3:1
(3) 9:1
(4) 27:1​

Answer 1

Answer:

w is proportional to n^-3 (w=angular velocity)

so,

w1/w2= (n2/n1)^3

= (3/1)^3

=27:1