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| 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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