Question: Suppose the accelerating voltage in Problem 87 is increased by a factor of 10. What is the correct relativistic speed of an electron in this

Suppose the accelerating voltage in Problem 87 is increased by a factor of 10. What is the correct relativistic speed of an electron in this case?

a. 0.205c

b. 0.672c

c. 0.740c

d. 0.862c

Figure 29-36: A cathode-ray tube.

Cathode and Control. Horizontal and vertical heating coil grid deflection plates Electron beam Accelerating and focusing anodes Physics Vacuum Fluorescent screen

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