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1. |
A Fraunhofer diffraction is produced form a light source of 580 nm. The light goes through a single slit and onto a screen a meter away. The first dark fringe is 5.0 mm form the central bright fringe. What is the slit width? |
A. | 0.24 mm |
B. | 0.12 mm |
C. | 0.10 mm |
D. | 0.52 mm |
Answer» C. 0.10 mm | |