When ultraviolet light is incident on certain metallic particles are emitted. These particles are called By: Sunday|Published on: Mar 23|Categories: Physics WAEC| 0 comments A. positrons B. protons C. photoelectrons D. photons Correct Answer: Option D – photons Users Also Read These:Protons and electrons are called fundamental…The removal of soil or rocks particles by wind or…Any line or section taken through an advancing wave…Diffusion is slowest in solid particles than in…The thin layer of unconsolidated mineral particles…SEE ALSO A man stands in front of a tall wall and produces a sound. If he receives the echo of the sound two seconds later, calculate his distance from the wall. (The speed of sound in air is 330m/s)