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Practical - Planck's Constant

Measuring Planck's constant with a couple of different methods.

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1. Measuring 'h' with Coloured LEDs

How to find the value of little 'h' yourself using some LEDs, a voltmeter and a variable power supply. Planck's constant is the constant of proportionality between the particle-like properties and the frequency of the associated wave.

2. Measuring 'h' with Coloured LEDs - Results

How to analyse some sample data to calculate a value for Planck's constant.

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