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
Correct Answer: D
Solution :
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.You need to login to perform this action.
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