## Which equations can be used for what topics

$\Delta p \Delta x\geq \frac{h}{4\pi }$

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

### Which equations can be used for what topics

This isn't specific to indeterminancy, but can someone list which equations are allowed to be used for photons and which can be used for electrons?

Christine Honda 2I
Posts: 116
Joined: Sat Sep 14, 2019 12:17 am

### Re: Which equations can be used for what topics

You can use c=(lambda)(nu) for electromagnetic radiation, or light.
You can use lambda=h/p or lambda=h/mv for electrons because they have mass.

Wendy 1E
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Joined: Sat Aug 17, 2019 12:17 am
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### Re: Which equations can be used for what topics

E=hv is used for the energy of a photon, or in this case, electromagnetic radiation.

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