MCQOPTIONS
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				| 1. | 
                                    In an electron microscope, we use energetic particles because of______________? | 
                            
| A. | Penetrating power is high | 
| B. | Kinetic energy is large | 
| C. | Wavelength is very short | 
| D. | All the above reasons | 
| Answer» D. All the above reasons | |