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

1.	What is the wavelength value of CO2 laser used in Laser beam machining?$
A.	0.16 ‚âà√≠¬¨‚à´m
B.	1.6 ‚âà√≠¬¨‚à´m
C.	10.6 ‚âà√≠¬¨‚à´m
D.	106 ‚âà√≠¬¨‚à´m
Answer» D. 106 ‚âà√≠¬¨‚à´m

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