Planck's Constant Kit

Description

Determination of Planck's constant using light emitting diodes (LED's) by observing the 'reverse photo-electric effect'. Planck’s Constant Kit consists of the following parts: Specially designed variable dc power supply (0 – 5 V) whose output can be varied in steps of 1 mV. Digital dc Micro ammeter (0-999 µA dc), Digital Voltmeter (0 – 9.99V dc), Calibrated LEDs: 4 nos