Question

An atom is subjected to a weak uniform magnetic field $B$. The number of lines in its Zeeman spectrum for the transition from $n = 2, l = 1$ to $n = 1, l = 0$ is

• A. 8
• B. 10
• C. 12
• D. 5

Answer 1

Answer: (B)

10

Answer 2

The correct option is (B) :10