Which of the following is not true about metrology lasers used in las – McqOptions

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1.	Which of the following is not true about metrology lasers used in laser inspection?
A.	these are high-power instruments
B.	used for rapid non-contact gauging of delicate parts
C.	have low optical cross-talk
D.	wide dynamic range
Answer» B. used for rapid non-contact gauging of delicate parts

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