22.1-22.4 · Quantum physicsLesson 1 of 13Free preview
Light arrives in packets: E = hf
A dim blue beam works and a bright red beam does not. Find what the beam colour sets.
22.1-22.4 · Quantum physicsLesson 1 of 13Free preview
A dim blue beam works and a bright red beam does not. Find what the beam colour sets.