An old man and a scientist were talking about a deserted house. The old man was sure that it was haunted by ghosts, but the scientist discarded the view
saying no one had ever seen a ghost. The old man was annoyed and chalenged the scientist about existence of atoms, sub-atomic particles which also could not be seen.
· Name the three sub-atomic particles and their discoverers.
· Whose viewpoint do you support and why?