Reference: Lab Experiments Journal vol-10, No.4, Page-316
Photo electric effect - Planck's constant
Model: PHO-501
Experiment(s):
Verification of Einstein’s photo electric equation
Determination of Planck’s constant, photonic work function
Specifications
1. Planck’s constant kit
Consists of built-in power supply: 0 - 5 V variable, regulated & short circuit protected Voltmeter: 0-20 V, 3½ digit, LED display Current meter: 0-200 nA, 3½ digit, LED display Rated Input: 220 V/50 Hz or 110 V/60 Hz Power Consumption: <50 W Cabinet: Acrylic body, aluminium bottom Connectors: 2 mm - 2 mm moulded brass pin patch cords
2. Photo tube
Wavelength sensitive photo tube fitted with independent illumination Rated Input: 220 V/50 Hz or 110 V/60 Hz Power consumption: <20 W
3. Filters
Set of 5 calibrated filters of known wavelength