BRAINCAKEQuantum Physics
Revision notes for Quantum Physics in OCR Physics A (H156). Read the start of any lesson here, then sign in free for the whole lesson, the R.E.C.I.P.E. recall steps and the quiz.
- The Energy of a Photon and the Planck ConstantMax Planck discovered that light appears to exist as little packets called quanta.
- The Electron VoltOn the quantum level the SI unit the joule is hugeso a smaller unit of energy is needed.
- The Photoelectric EffectWhen a gold-leaf electroscope is negatively charged the leaf and the rod repel each other.A zinc plate is placed on top of the electroscope, and…
- The Photoelectric Effect Equation and Wave-Particle DualityEinstein's photoelectric effect equation :hf = φ + KEmaxWhere φ is the work function of the metal.