Discussion :: Physics
- The Laser is a beam of radiations which are
|
A.
Non-coherent and monochromatic |
|
B.
Coherent and monochromatic |
|
C.
Non-coherent and non-monochromatic |
|
D.
Coherent and non-monochromatic |
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Answer : Option B
Explanation :
Laser, an acronym for Light Amplification by Stimulated Emission of Radiation, creates a radiation beam that is coherent (in-phase). In a coherent light source, the amplitude of the radiated waves is added and results in a radiation beam of great intensity. It normally produces only one or two wavelengths. The single wavelength is called monochromatic radiation.
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