Q.

What is the wavelength value of CO2 laser used in Laser beam machining?

A. 0.16 μm
B. 1.6 μm
C. 10.6 μm
D. 106 μm
Answer» C. 10.6 μm
Explanation: the value of wave length of co2 laser used in laser beam machining is 10.6 μm.
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