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1. |
The mass of a photon with wavelength 3.6 Å is _____________ |
A. | 3.139 X 10-33 kg |
B. | 4.139 X 10-33 kg |
C. | 5.139 X 10-33 kg |
D. | 6.139 X 10-33 kg |
Answer» E. | |