MCQ
A laser is a coherent source because it contains
- AMany wavelengths
- BUncoordinated wave of a particular wavelength
- CCoordinated wave of many wavelengths
- ✓Coordinated waves of a particular wavelength
✓
Answer
Correct option: D.
Coordinated waves of a particular wavelength
d
(d) LASER is the short form of Light Amplification by Stimulated Emission of Radiation.
(d) 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.
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