McqMate
| Q. |
Which of the following rays are used in the powder method of crystals? |
| A. | gamma rays |
| B. | α-rays |
| C. | β-rays |
| D. | monochromatic x-rays |
| Answer» D. monochromatic x-rays | |
| Explanation: a monochromatic beam of x- rays strike a finely powdered sample that ideally has crystals randomly arranged in every possible orientation in the powder method. | |
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