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Planck's Constant Apparatus


United Scientific Supplies

Regular price $2,748.90

We have 0 in stock.

Compact, easy-to-use apparatus
Accurate results with less than 5% error
Measures Plancks constant and estimates the work function of cesium

The Plancks Constant Apparatus is a compact unit containing an enclosed vacuum photocell with an attachment for illuminating light sources, a high stability power supply for applying a variable stopping voltage to the cell and a nanoammeter for measuring the resulting photocurrents.