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1. |
In Bragg s equation [n = 2.d.sin ], is the angle between: |
A. | specimen surface and incident rays |
B. | normal to specimen surface and incident rays |
C. | parallel lattice surfaces d distance apart and incident rays |
D. | normal to parallel lattice surfaces d distance apart and incident rays |
Answer» D. normal to parallel lattice surfaces d distance apart and incident rays | |