Solution
= Solution
For a normalized state, the uncertainty of a Hermitian <observable> $O$ is
$$
\boxed{
\Delta O=\sqrt{\langle O^2\rangle-\langle O\rangle^2}}.
$$
= Solution
For a normalized state, the uncertainty of a Hermitian <observable> $O$ is
$$
\boxed{
\Delta O=\sqrt{\langle O^2\rangle-\langle O\rangle^2}}.
$$