Though the electrons are not visible with naked eyes , we have multifarious evidences that electrons exists .For eg
i.Cathode ray tube.
iv.Flow of electric current
vi.The path of electrons in the fluorescent powder can be captured via camera.on this basis it can be concluded no ghost exists.
However,so far, there are no such concrete evidences that ghost .exists.
Kamal Dhungel Answered question 4 January 2022