Question

when electron from 5 shell to ground shell without emitting any photon in visible range how many spectral lines could come​

Answer 1

Answer:

The general formula for calculating number of spectral lines

=

2

(n

2

−n

1

)(n

2

−n

1

+1)

Here n

2

=7,n

1

=2

Number of spiral lines =

2

(7−1)(7−2+1)

=

2

(5)(6)

=15