1.I was invented in the 1960s.
1 answer:
Answer:
Laser
Explanation:
The properties and description given fits precisely that of a laser.
It was invented in May 1960 by Theodore Maiman.
LASER = Light Amplification by Stimulated Emission Radiation.
- It a monochromatic and coherent light
- Laser is used in cutters, DVD players and for performing surgeries.
- Some equipment also use laser to take certain measurements.
- They are distinguished by the lasing materials used to produce them.
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