An Electron in the Bohr Model Is in An $n = 1$

Multiple Choice

An electron in the Bohr model is in an $n = 1$ state. Its angular momentum is

A) $2.11 \times 10 ^ { - 34 }$ J.s.
B) $1.06 \times 10 ^ { - 34 }$ J.s.
C) $3.17 \times 10 ^ { - 34 }$ J.s.
D) $4.17 \times 10 ^ { - 34 }$ J.s.