(a) State two conditions under which photo-electrons can be emitted from the surface of a metal.

(b) List two particle characteristics of electromagnetic waves.

AuthorIzy

1 year ago

Thermionic Emissions, Emission and absorption of incandescence light and Radiations from heated black bodies should not be considered as particulate characteristics, at least not entirely. The only two that should be considered 100% are Compton Effect and Photoelectric Effect.