 
			 
			MCQOPTIONS
 Saved Bookmarks
				| 1. | In order to investigate the internal atomic structure of crystals, we make use of: | 
| A. | Orange light | 
| B. | X - rays | 
| C. | Ultraviolet radiaion | 
| D. | Infrared radiation | 
| Answer» C. Ultraviolet radiaion | |