By measuring the deflection of cathode rays in electrical and magnetic fields, J.J. Thomson was able to determine the
A. mass of the electron.
B. speed of the electron.
C. charge on the electron.
D. ratio of mass to charge for the electron.
Answer:D
By measuring the deflection of cathode rays in electrical and magnetic fields, J.J. Thomson was able to determine the
A. mass of the electron. B. speed of the electron. C. charge on the electron. D. ratio of mass to charge for the electron.