If the electric field between the plates of a cathode ray oscilloscope
Channel: Doubtnut
Date: 2020-02-09

If the electric field between the plates of a cathode ray oscilloscope be `1.2xx10^(4)N//C` ,the deflection that an electron will experience if it enters at right angels to the field with kinetic energy `200eV` is (the defelction assembly) is `1.5cm` long