Laser light is very bright because it is ∙ a. Pure ∙ b. White ∙ c. Coherent ∙ d. Monochromatic

Laser light is very bright because it is
∙ a. Pure  
∙ b. White  
∙ c. Coherent  
∙ d. Monochromatic
by

1 Answer

Answer :

c. Coherent
by

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