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Planck's Constant apparatus simple LED's
Stock Code:
2343-001
Unit:
Each
Price:
$125.90 (ex GST)
Description
A Low cost method of determining Planxk's Constant.
In this instrument, voltage is applied to each of 7 LEDs to cause each to just conduct. The value of the voltage to begin current to flow relates to the energy of the photon of that wavelength.
7 readings, including 2x Infra Red, are taken and the graph is then plotted as normal to determine Planck's Constant. The method is not as fundamental as using a 'photo tube' but the results are good and price is much lower.
Awaiting Stock