Chapter 9 Question

Question

a). Explain the difference between a proton and a photon.

b). Please describe the first experiment where a beam of electrons was shown to have a wave-like properties?

Answer 1

A proton is a charged particle (positive charge) with mass inside the nucleus of an atom. A photon is a particle of light that does not have mass.

The photoelectric effect experiment was the first to show that electrons have wave-like properties.