Showing posts with label What are three types of lasers? PAGE 466. Show all posts

Showing posts with label What are three types of lasers? PAGE 466. Show all posts

Sunday, 20 December 2015

What are three types of lasers?

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466. What are three types of lasers?

A.  Gas, metal vapor, rock
B.  Pointer, diode, CD
C.  Diode, inverted, pointer
D.  Gas, solid state, diode

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