## de Broglie vs Heisenberg

$\lambda=\frac{h}{p}$

Rebecca Epner 4A
Posts: 53
Joined: Sat Aug 17, 2019 12:18 am

### de Broglie vs Heisenberg

Can someone explain how you will know when to use which equation? What should I look out for in the context of the problem to determine which equation is most appropriate?

AveryAgosto
Posts: 76
Joined: Wed Sep 18, 2019 12:16 am

### Re: de Broglie vs Heisenberg

De Broglie refers to wavelength, velocity and mass whereas Heisenberg refers to position and nuclear diameter.

ALegala_2I
Posts: 102
Joined: Thu Jul 11, 2019 12:17 am

### Re: de Broglie vs Heisenberg

To add on, the Heisenberg equation is specifically used in regards to uncertainty. The questions will usually ask you what the uncertainty in the velocity is or it will give you a range of values for velocity. This is your main indicator to use the Heisenberg equation over the deBroglie equation.