The laser produces _____?

لیزر _____ تیار کرتا ہے؟

A beam of a monochromatic incoherent light

A beam of a monochromatic coherent light

A beam of a fast moving neutron rays

None of these

A laser produces light of a single wavelength (monochromatic) and all waves are in phase (coherent).

This results in a focused, powerful beam with specific applications in science and technology.