DC variable regulated Power supply of 0-1 VDC. Vacuum type Photo cell mounted wooden box having window for injecting light & also to fit the different types of filters. One wooden plank 30 cm. long. Light source with 100W lamp & set of 3 filters. (Blue, green & Yellow)
Determine the value of Planck's constant (h) by using stopping potential of different filters.
Technical Specifications :
Inbuilt Variable DC Regulated Power Supply
Output voltages : 0-1 VDC
On Board Digital Meters
Voltmeter : 0 - 2 VDC (Digital)
Ammeter : 0 - 200 Micro ADC (Digital)
Photocell mounted on wooden box having windows for injecting light and also for sliding the various filters.
Power requirement : 230 VAC 10%, 50Hz.
Weight : 1.5 Kg Approx.
Standard Accessories :
Three round filters of different colors (Red, Green & Blue).