Quantum Mechanics

Electron

$$m_e=9,1*10^{-31} kg$$

$$e=1,6*10*{-19} C$$

de Broglie wave $$\lambda_{as}=\frac{h}{mv}$$

Bragg's Law $$\lambda=2d\sin \alpha$$

Heisenberg uncertainty principle

$$\Delta x \Delta p_x \ge \frac{\lambda}{2\pi}$$

$$\Delta W \Delta t \ge \frac{\lambda}{2\pi}$$