Here are the possible solutions for device using light rays clue
Answer
Clue
Relevancy
laser
Clue
Device using light rays
Definition
a source of high-intensity optical, infrared, or ultraviolet radiation produced as a result of stimulated emission maintained within a solid, liquid, or gaseous medium
lasers
Clue
Devices using light rays
Definition
LASER, a source of high-intensity optical, infrared, or ultraviolet radiation produced as a result of stimulated emission maintained within a solid, liquid, or gaseous medium
