MCQOPTIONS
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				| 1. | 
                                    A photon of wavelength 900nm behaves like a particle of mass______________? | 
                            
| A. | 5.53 x 10-36kg | 
| B. | 0 kg. | 
| C. | 2.46 x 10-36kg | 
| D. | 1.84 x 10-44kg | 
| Answer» D. 1.84 x 10-44kg | |