Sagot :
Answer:
Red lasers use diodes, optics, and various electronic components. Its wavelength is 630-680nm and its power is 5mW and below. Blue Light Laser. Blue light lasers have a shorter wavelength compared to red lasers, allowing for stronger focus or resolution in very fine structures in imaging applications
Explanation:
I think it's A.
Answer:
D, a visible light
Explanation:
As NASA has stated on their website, a laser produces a very narrow beam of light.