McqMate
| Q. |
Which gas serves as buffer gas in Laser ablation? |
| A. | nitrogen |
| B. | oxygen |
| C. | helium |
| D. | neon |
| Answer» C. helium | |
| Explanation: laser ablation has been extensively used for the preparation of nanoparticles. in the device, there is a pulsed flow of helium gas. it serves as a buffer gas in which clusters of the target material form, thermalize. | |
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