Оценка5,0 · 159,00 $Features & Specs · Self-contained box with voltage control and monitoring points for current and voltage · Protection resistor is included to prevent damage to ...
60,06 £В наличииThe apparatus is designed to determine the approximate value of Planck's Constant using the elbow voltage in the characteristic curves of a number of LEDs.
The Planck constant is used in atomic theory, Heisenberg's uncertainty principal, the colour of LED's, and other phenomena. Requires a micro ammeter, a 20V ...
3 150,00 $Holmarc's Photo Electric Apparatus (Model No: HO-ED-EM-02) is an instrument for studying the Photo Electric Effect and to obtain the Planck's constant.
73,54 £This apparatus is designed to determine the approximate value of Planck s constant, using a range of LED s of known wavelength, to allow the electron/photon ...
This apparatus is designed to determine the approximate value of Plancks constant using the elbow voltage in the characteristic curves of a number of LEDs.
3 348,63 $Accurately measure Planck's constant with this easy-to-use, compact apparatus. Unit contains an enclosed vacuum cesium (Cs) photocell, attachment for ...
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