The one use of lasers is that cutting an iron bar into two pieces, and used carbon dioxide laser.
What is laser?
Laser is a devide from which emits light by the stimulated emission of electromagnetic radiation.
Lasers emit that much of light with high amount of heat and light. So due to this amount of energy and heat laser is used to cut a iron bar and type of laser which is used for cutting of iron is carbon dioxide laser.
Hence laser is used for cutting an iron bar.
To know more about laser, visit the below link:
https://brainly.com/question/13621353
