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1–24 of 53 projects for “regression” · sorted by most relevant

B.Sc

Physics

Measuring the Planck Constant with LEDs: A Regression and Uncertainty-Propagation Study

Six LEDs' threshold voltages vs inverse wavelength give h by regression, with a full GUM-style uncertainty budget compared against the exact SI value

  • Six LED types spanning 465-635 nm, breadboard, 1 kOhm series resistor and DC supply
  • Two 3.5-digit digital multimeters (LED voltage and reference-resistor current)
  • Dark box and fixed viewing geometry; optional photodiode comparator for the threshold criterion
  • +3

intermediate12 wkSolo