Laser Safety Exam Questions and
Answers
Class 1 Lasers - Correct Answers --Not capable of damaging the human body or eyes
-do not produce dangerous radiation levels
-ex: CD Players, Laser Printers
Class 1M - Correct Answers --not dangerous unless viewed with collecting optic
(collects light and focusing it)
-do not require safety control measures
-ex: magnifying lenses, binoculars, telescopes
Class 2 /Class 2M - Correct Answers --eye's reflex protects it
-in the visible spectrum 400-700 nm
-class 2M safe without viewing optic
Class 3R/ Class 3B - Correct Answers -Class 3R
-potentially hazardous if viewed directly
-low probably of injury
-dangerous specular reflection with optic
-exL laser pointer
Class 3B
-immediate skin and eye hazard
-avoid direct viewing of contact
-laser show lasers, scientific lasers
Class 4 - Correct Answers --dangerous plasma radiation and air contaminants
-pose fire hazards
-most dangerous class
-ex: medical devices
Answers
Class 1 Lasers - Correct Answers --Not capable of damaging the human body or eyes
-do not produce dangerous radiation levels
-ex: CD Players, Laser Printers
Class 1M - Correct Answers --not dangerous unless viewed with collecting optic
(collects light and focusing it)
-do not require safety control measures
-ex: magnifying lenses, binoculars, telescopes
Class 2 /Class 2M - Correct Answers --eye's reflex protects it
-in the visible spectrum 400-700 nm
-class 2M safe without viewing optic
Class 3R/ Class 3B - Correct Answers -Class 3R
-potentially hazardous if viewed directly
-low probably of injury
-dangerous specular reflection with optic
-exL laser pointer
Class 3B
-immediate skin and eye hazard
-avoid direct viewing of contact
-laser show lasers, scientific lasers
Class 4 - Correct Answers --dangerous plasma radiation and air contaminants
-pose fire hazards
-most dangerous class
-ex: medical devices
