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a. mention and explain the characteristics of the laser beam that distinguishes it from general light b....

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Physics

a. mention and explain the characteristics of thelaser beam that distinguishes it from general light
b. write a summary of the working principles of the laser accordingto the assignment about the laser you have made

Answer & Explanation Solved by verified expert
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a Laser radiation has the following important characteristics over ordinary light source They are i monochromaticity ii directionality iii coherence and iv brightness 1 Monochromaticity Monochromatic light means a light containing a single colour or wavelength The photons emitted from ordinary light sources have different energies frequencies wavelengths or colours Hence the light waves of ordinary light sources have many wavelengths or colours Therefore ordinary light is a mixture of waves having different frequencies or wavelengths 2 Directionality In normal light photons travels in random directions in laser all photons will travel in the same    See Answer
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