MCQOPTIONS
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| 1. |
Identify the expression for Bragg s law from the following. |
| A. | 2d cos u2061 =n |
| B. | 2d sin u2061 =n |
| C. | 2d sin = ( frac {n}{ lambda } ) |
| D. | 2d cos u2061= ( frac {n}{ lambda } ) |
| Answer» C. 2d sin = ( frac {n}{ lambda } ) | |