Description
Designed to measure Planck's constant through the photoelectric effect
and storage between uses at the laboratory bench
with a 0 to 20 second reaction window for sanitation and food-safety checks
Electromagnet-driven at approximately 80Hz with a captive thumbscrew on one prong for Melde's experiment
Double Convex Glass Lens, 75mm Diameter, 200mm Focal Material_Rubber Designed to measure Planck's constantOptically worked, spherically ground, and edge polished, this double convex converging lens gathers parallel light to a single focal point for bright image formation demonstrations.
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