What experiment confirms $\mathbf{J}^2 = \hbar^2 j(j+1)$?
73624
Why is orbital angular momentum quantized according to $I= \hbar \sqrt{\ell(\ell+1)}$?
78075
Why can I apply $HS^\dagger$ and then measure in the computational basis to measure $Y$?
152686
How to derive $E=mc^{2}$?
71187
How to prove $\hat{p}|x\rangle=i\hbar\frac{\partial}{\partial x}|x\rangle$,using $[\hat{x},\hat{p}]=i\hbar$?
24585
Proving that $\mathbf{W}$+$\mathbf{W^{\perp}}$=$\mathbb{R^{n}}$
147528
Where's the error in this $2=1$ fake proof?
95145
Does $\exp(2ir\pi)$ equal $1$? What's wrong?
153422
How to find the corrsponding expression after working with natural units $\hbar=c=1$?
121824
Resolving Conflicting Reports on Fermilab $g-2$ Results
107319
$F=ma$ contest problem on angular momentum
21581
Empirical bound on sum of electron and proton charge
85984
How come $\frac{\partial(\partial_{\beta}A_{\gamma})}{\partial(\partial_{\mu}A_{\nu})} = g_{\beta\mu}g_{\gamma\nu}$?
109239
Newton's rings experiment
148355
Regarding Goldstein's claim that $\mathbf{F} = \dot{\mathbf{p}}$
127378
Is $2^\alpha=2^\beta\Rightarrow \alpha=\beta$ a $\sf ZFC$-independence result?
28145
What is $\Gamma(z) \Gamma(\bar {z})$?
65422
How did Bohr come up with the figure $n\hbar$?