A laser beam is coherent because it contains

Question

A laser beam is coherent because it contains (A) waves of several wavelengths (B) incoherent waves of a single wavelength (C) coherent waves of several wavelengths (D) coherent waves of a single wavelength

Tardigrade Admin · Accepted Answer

LASER is the short form of Light Amplification by Stimulated Emission of Radiation. Laser beam is intense, monochromatic (that is of the single wavelength) collimated and highly coherent.

Q. A laser beam is coherent because it contains

waves of several wavelengths

incoherent waves of a single wavelength

coherent waves of several wavelengths

coherent waves of a single wavelength

LASER is the short form of Light Amplification by Stimulated Emission of Radiation. Laser beam is intense, monochromatic (that is of the single wavelength) collimated and highly coherent.