[" (III) FElectric Field "],[" 9.If the ...

[" (III) FElectric Field "],[" 9.If the electric field between the platess of a cathode "],[" ray oscilloscope be "1.2times10^(4)" N "C" ,the deflection "],[" that an electron will experienceirit enters at right "],[" angles to the field with kinetic energy "2000" ev is "],[" (The deflection assembly is "1.5cm" long.) "],[" 1) "0.34cm],[" 3) "0.034mm],[" 10.A electric field of "1.8times10^(4)NC^(-1)" exists between "]

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