Which of the following statements is not true regarding LASER? – McqOptions

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1.	Which of the following statements is not true regarding LASER?
A.	A LASER is a device that emits light through a process of optical amplification .
B.	LASER beams can be focused to very tiny spots, achieving a very high irradiance.
C.	The emitted LASER light is notable for its high degree of dispersive power unattainable using other technologies.
D.	LASER light is used in bar-code scanners
Answer» D. LASER light is used in bar-code scanners

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