

MCQOPTIONS
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1. |
Deuterium_arc_lamp_provides_emission_of_high_intensity_and_adequate_continuity_in_the_______nm_range.$ |
A. | 0-90 |
B. | 90-180 |
C. | 190-380 |
D. | 390-650 |
Answer» D. 390-650 | |