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Q. |
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» C. The emitted LASER light is notable for its high degree of dispersive power unattainable using other technologies. |
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