MCQ
In a cathode ray tube, the screen is coated with fluorescent material:
- AIt produces spots on the screen
- BBeam of light is not in a straight line
- CLight deviates away after striking
- DNone of these
✓
Answer
- It produces spots on the screen
Explanation:
When the electron beam strikes the screen coated with fluorescent material the electrical signals appear as visual pattern or spots on the screen.
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