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Can an electron beam sweep across the face of a cathode-
Chapter 17, Problem 12E(choose chapter or problem)
QUESTION:
Can an electron beam sweep across the face of a cathode- ray tube at a speed greater than the speed of light? Explain.
Questions & Answers
QUESTION:
Can an electron beam sweep across the face of a cathode- ray tube at a speed greater than the speed of light? Explain.
ANSWER:Answer: Step 1: The sweep rate were made to be faster than 30 cm per nanosecond, ( 0.033 nS per cm ). The actual electrons in the beam, will be traveling at less than the speed of light.