electron beam gun do not repeat it is dangerous
electron beam gun. Attention, at home on your TV what not to repeat! 👉 / @snowmasha
a cathode ray tube on a heated TV begins to bombard the screen with electrons, and a substance called phosphor is deposited on the back of the screen. We call a phosphor a substance that begins to glow when the light is directed at it.
What happens when we start bringing a magnet closer to the screen of the cathode ray tube?
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