Discovery of Electron Quiz

Who discovered the electron through the Cathode ray discharge tube experiment?

What happens when the pressure inside the cathode ray tube is reduced to 0.01 mm Hg?

What is the name given to the rays that start from the cathode and move away from it in straight lines?

What material is used to coat the tube behind the anode to check the cathode rays?

At what pressure does a dark space appear near the cathode inside the cathode ray tube?

What happens when a very high voltage (about 10,000 volts) is applied between the two electrodes at normal pressure?

What can be observed with the help of fluorescent or phosphorescent materials?

What happens to the cathode rays in the presence of an electric or magnetic field?

What do cathode rays consist of?

What do cathode rays (electrons) possess?

What is the charge to mass (e/me) ratio of electron?

How did R.A. Millikan determine the charge on the electrons?

Who modified the discharge tube experiment by perforating the cathode?

What is emitted behind the perforated cathode according to E. Goldstein's experiment?

What happens when high voltage is applied between the two electrodes at normal pressure?

What do cathode rays possess that allows them to do mechanical work?