Reference: Lab Experiments Journal vol-4, No.1, Page-11

Planck's constant using LEDs

Experiment(s):

Determination of Planck’s constant using Einstein’s equation

Specifications

1 . Planck’s constant kit

                    Power supply: Fixed frequency sine wave 0-10 V
Voltmeter: Digital DC 3½ digit wide-band (upto 200 KHz) peak reading meter
Range: 20 V
Resolution: 0.01 V
LED Mounting: External
Output: Via CRO and Voltmeter
Rated Input: 220 V/50 Hz or 110 V/60 Hz
Power Consumption: <50 W
Cabinet: Acrylic body, aluminium bottom
                  

2 . Set of LEDs

                    Quantity: 5 different LEDs x 2 sets
LEDs of known wavelength: 4 LEDs in visible range and 1 Infrared LED
                  

3 . Connectors

                    2mm-2mm brass molded patch cords
                  

Download Catalog