The characteristic that distinguishes a laser beam from an ordinary light beam is: A. The greater frequency of the laser beam B. The coherence of the laser beam C. The color of the laser beam D. The greater polarization of the laser beam

The characteristic that distinguishes a laser beam from an ordinary light  beam is:
A. The greater frequency of the laser beam
B. The coherence of the laser beam
C. The color of the laser beam
D. The greater polarization of the laser beam
by

1 Answer

Answer :

B. The coherence of the laser beam
by

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