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Quantum Physics

Photon energy and frequency

Planck's relation connects a photon's energy to light frequency and gives a useful energy scale.

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Chapter 1: Evidence for quantization7 lessons · 26 min
  1. 1Photon energy and frequency3 min
  2. 2Photoelectric threshold4 min
  3. 3Photoelectric energy balance4 min
  4. 4Atomic spectra and energy levels3 min
  5. 5Emission and absorption3 min
  6. 6Thermal radiation and Planck's idea3 min
  7. 7Challenge: Evidence for quantization6 min
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This lesson is part of the Quantum Physics course.

Example plan3 lessons · 11 min

Photon energy and frequencyEvidence for quantization3 min
Photoelectric thresholdEvidence for quantization4 min
Photoelectric energy balanceEvidence for quantization4 min

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