MCQOPTIONS
 Saved Bookmarks
				| 1. | 
                                    Wave-like characteristic of electron is demonstrated by______________? | 
                            
| A. | Line spectrum of atoms | 
| B. | Production of x-rays. | 
| C. | Diffraction by crystalline solids | 
| D. | Photoelectric effect | 
| Answer» D. Photoelectric effect | |