To explain: The process used to produce light in a laser.
Answer to Problem 18R
A laser is produced when electrons in atoms in crystals, gases or glasses (specifically) absorb energy and become excited.
Explanation of Solution
Introduction:
Light is a type of wave that carries energy through matter or space. Laser produces a very narrow beam of light that travels over long distances without distribution.
Atoms in laser-tube absorb light from flash-tube and also, emit
Conclusion:
Laser produces narrow, intense beams of light.
Chapter 12 Solutions
Glencoe Physical Science 2012 Student Edition (Glencoe Science) (McGraw-Hill Education)
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