Question

Consider an electron in the n = 4, l = 1 state in hydrogen. Which of the following final states can NOT be reached by an allowed transition? (A) n = 3, l = 2 (B) n = 3, l = 1 (C) n = 3, l = 0 (D) n = 2, l = 0 (E) n = 1, l = 0

please solve with explanation ​

Answer 1

Explanation:

The electron in a hydrogen atom makes a transition n1→ n2 , where n1 and n2 are the principal quantum numbers of the two energy states. Assume Bohr's ...

Here, Z = 1 . We can derive the expression for the time period of electron in n^th orbit as Tn = 1/fn∝ n^3 Hence T1/T2 = n1^3/n2^3 . As T1 = 8T2 , therefore