Saturday, August 16, 2014

Plank's Constant Apparatus

Objective : To plot Reverse V-I Characteristics of a Vacuum Photocell using different filters.
Specifications : DC regulated  Power Supply of Planks Constant 0-1 VDC. Photo cell mounted in wooden box having  window for injecting light & also to fit the different filters. One wooden plank with 1/2 meter scale, light source with 100W lamp & set of filters.

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