Final answer:
Lasers operate in different parts of the electromagnetic spectrum, such as visible, ultraviolet, and infrared, with their specific application depending on their wavelength.
Step-by-step explanation:
Laser technology utilizes the properties of light waves, which are part of the electromagnetic spectrum. While the visible spectrum is what humans can see, ranging from 380 to 740 nanometers (nm), lasers can operate in various parts of the electromagnetic spectrum, including visible, ultraviolet, and infrared regions. The wavelength of a laser determines which part of the spectrum it belongs to. For example, some lasers emit light in the infrared spectrum, which is not visible to the human eye but has applications in remote controls, night-vision devices, and medical procedures. Overall, lasers are a versatile technology with wavelengths that can fall within different parts of the electromagnetic spectrum.