# Physics307L:People/Phillips/Photoelectric

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We came up with many different value for Planck's constant. We obtained two from the first order maxima from the light source, each being a separate run through the colors: | We came up with many different value for Planck's constant. We obtained two from the first order maxima from the light source, each being a separate run through the colors: | ||

- | <math>h^{1}_{first order} = (6.911 \pm .087) \ | + | <math>h^{1}_{first order} = (6.911 \pm .087) \times 10^{-34}~\mathrm{J}\cdot\mathrm{s} = (4.319 \pm .054) \times 10^{-15}~\mathrm{eV}\cdot\mathrm{s}</math> |

## Revision as of 19:23, 6 December 2008

### Photoelectric Effect (Planck's Constant) Summary

#### Data & Results

The notebook entry for this lab is located here. We generated two Excel files for this lab as well: Planck.xlsx and First Order.xlsx.

We measured two different things in this lab related to the photoelectric effect, but only one of these has an accepted value - Planck's Constant. This value is

We came up with many different value for Planck's constant. We obtained two from the first order maxima from the light source, each being a separate run through the colors: