Later and improved cathode ray experiments found that certain types of glass produced a fluorescent glow at the positive end of the tube william crookes. Introduction cathode ray oscilloscope (cro): an oscilloscope is easily the most useful instrument available for testing circuits because.
The cathode ray tube was a scientific curiosity discovered in the late 19th century, and a mainstay of display technology in the late 20th we now know that the. Jj thomson's cathode ray tube experiments led to a very important scientific discovery, the electron in this lesson learn what a cathode ray.
Experiment 4 measurement of e by thomson's bar magnet method m apparatus: cathode ray tube (crt) with power supply unit, one pair of bar magnets, high.