Here are the possible solutions for light producing devices clue
Answer
Clue
Relevancy
lasers
Clue
Light-producing devices
Devices using light rays
Devices amplifying light waves
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
laser
Clue
Device producing an intense light beam — kind of sailing dinghy
Device producing an intense beam of light or radiation
Device producing an intense beam of light
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
wheat
Clue
Tall grass producing light brown grain
prisms
Clue
Light-refracting devices
Definition
PRISM, (Greek) a solid figure of which the two ends are similar, equal, and parallel rectilineal figures, and the sides parallelograms