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1. |
The ratio of the energy of an X-ray photon of wavelength 1 Å to that of visible light of wavelength 5000 Å is [EAMCET (Med.) 1995] |
A. | 1: 5000 |
B. | 5000 : 1 |
C. | 1 :25 \[\times \]106 |
D. | 25 \[\times \]106 |
Answer» C. 1 :25 \[\times \]106 | |