Question

according to bhor theory which of the following transition in the hydrogen atom will give rise to the least energetic photon
1 : n=6 to n=5
2: n=5 to n=3
3: n=6 to n= 1
4: n=5 to n=4

Answer 1

hey mate
here ur answer

1.n=6 to n=5

hope it help u