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The Laser is a beam of radiations which are |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/coherent-421830" style="font-weight:bold;" target="_blank" title="Click to know more about COHERENT">COHERENT</a> and monochromatic</p><br/><br/><p>Laser, an acronym for Light Amplification by Stimulated Emission of Radiation, <a href="https://interviewquestions.tuteehub.com/tag/creates-427342" style="font-weight:bold;" target="_blank" title="Click to know more about CREATES">CREATES</a> a radiation beam that is coherent (in-phase). In a coherent light source, the <a href="https://interviewquestions.tuteehub.com/tag/amplitude-859568" style="font-weight:bold;" target="_blank" title="Click to know more about AMPLITUDE">AMPLITUDE</a> of the radiated waves is added and results in a radiation beam of great <a href="https://interviewquestions.tuteehub.com/tag/intensity-1047474" style="font-weight:bold;" target="_blank" title="Click to know more about INTENSITY">INTENSITY</a>. It normally produces only one or two <a href="https://interviewquestions.tuteehub.com/tag/wavelengths-1450491" style="font-weight:bold;" target="_blank" title="Click to know more about WAVELENGTHS">WAVELENGTHS</a>. The single wavelength is called monochromatic radiation.</p></body></html> | |