Panel for Planck's constant by luminescence with multimeters
EQ246B2

Intended for experimental study, physics laboratory work, and conducting physics experiments on: Modern physics. Matter and radiation. Determining Planck's constant using threshold voltages in LEDs, a fast method. Determining Planck's constant. Determining the threshold voltage in LEDs, Planck's constant, and characteristic curve. Determining Planck's constant, etc.

Physics, modern physics.