McqMate
| Q. |
Which of the following is a point defect in crystals? |
| A. | edge dislocation |
| B. | interstitialcies |
| C. | grain boundaries |
| D. | cracks |
| Answer» B. interstitialcies | |
| Explanation: crystal defects are classified as point defects, line defects, and boundary defects. point defects include vacancies, impurities, interstitialcies, and electronic defects. | |
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Engineering Physics