bigdaddy45
bigdaddy45 bigdaddy45
  • 12-06-2017
  • Chemistry
contestada

Gems called rubies are used in lasers.
true or false

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trevm9905
trevm9905 trevm9905
  • 12-06-2017
the answer you are looking for is true
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wakandan
wakandan wakandan
  • 12-06-2017
True. There are such things as ruby lasers that use a synthetic ruby crystal as its gain medium. 
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