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Physics Exam 4 Laser Safety Exam Questions and Answers
Physics Exam 4 Laser Safety Exam Questions and Answers 
 
Laser - Answer-A device that emits a highly controlled continuous beam of coherent, monochromatic light. 
 
/.Light amplification by stimulated emission of radiation - Answer-LASER 
 
/.Energy levels - Answer-Specific levels in an atom or molecule where electrons can occupy and jump between. 
 
/.Photon - Answer-A particle of light emitted when an electron drops to a lower energy level in an atom. 
 
/.Monochromatic - Answer-Having only o...