Cathode Ray (Noun)
Meaning
A beam of electrons emitted by the cathode of an electrical discharge tube.
Classification
Nouns denoting natural phenomena.
Examples
- The cathode ray travels in a straight line through the vacuum tube until it strikes the phosphor coating on the inside of the screen.
- The invention of the cathode ray tube revolutionized the field of physics and paved the way for the development of modern television.
- When a high voltage is applied to the cathode ray tube, a stream of electrons flows from the cathode to the anode, creating a beam of electrons.
- The cathode ray is made visible by the phosphor coating on the inside of the screen, which emits light when struck by the electron beam.
- In old computer monitors, the cathode ray tube was used to display images on the screen by scanning the electron beam back and forth horizontally.