MCQOPTIONS
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MCQOPTIONS
| 1. |
Laser beams can have power density upto _____ |
| A. | 1 kW/mm2 |
| B. | 10 kW/mm2 |
| C. | 1 MW/mm2 |
| D. | 10 MW/mm2 |
| Answer» D. 10 MW/mm2 | |