As with quantum theory, this is a section of the course that candidates will find completely new.
Students will know that electrons carry energy and momentum when they are moving. Yet these moving electrons seem to be guided...
A common approach to introducing the idea that light shifts energy in discrete chunks or photons is to state that light not...
One distinction that is made by philosophers about the nature of science is in terms of it being a positivist or realist...
This episode introduces an important phenomenon: wave – particle duality. In studying the photoelectric effect, students have...
You could extend the idea of electrons-as-waves further, to the realm of the atom.
Show that only certain colours of light produce a voltage when shone onto an LED. An example of light behaving as a particle.
It is often reported that Robert Millikan’s 1915 photoelectric experiment verified Einstein’s hypothesis about light quanta...
Stories from Physics
Millikan’s experiment did not lead to the rapid acceptance of Einstein’s ideas. His light quantum model was widely treated...
Recognising and celebrating outstanding contributions to the field of physics education.