Question

The angular momentum of an electron is zero. In which orbital may it be present

• A. 2s
• B. 2p
• C. 3d
• D. 4f

Answer 1

Answer: (A)

2s

Answer 2

For $2s, l = 0$ Hence angular momentum $= \sqrt{l(l+ 1)}h/2\, \pi = 0$.