From the following which is not true about LASER?
A. The emitted LASER light is notable for its high degree of dispersive power unattainable using other technologies
B. A Laser is a device that emits light through a process of optical amplification
C. A Laser beams can be focused to very tiny spots achieving a very high irradiance
D. A Laser light is used in bar code scanners
Answer
Correct Answer: A. The emitted LASER light is notable for its high degree of dispersive power unattainable using other technologies