MCQOPTIONS
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MCQOPTIONS
| 1. |
What are the wavelengths of quartz and fused silica respectively in hydrogen discharge lamp? |
| A. | 200 nm, 185 nm |
| B. | 200 nm, 145 nm |
| C. | 185 nm, 200 nm |
| D. | 145 nm, 200 nm |
| Answer» B. 200 nm, 145 nm | |