Determination of Planck s Constant (h) Apparatus

Product Overview

Mounting plate with six colored light emitting diodes with different emission wavelengths for determining Planck?s constant h by measuring the cut off voltage as a function of the frequency of the emitted light. Light emitting diodes with series resistors mounted on a base plate with a stem. Specifications: Wavelengths: 465 nm 560 nm 585 nm 635 nm 660 nm 950 nm Series resistor: 100 ? Max. voltage: 6 V Dimensions: 115x115 mm? approx. Weight: 120 g approx.

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