MCQOPTIONS
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				| 1. | There are three wavelengths 107 m, and 10-10 m, and 10-7 m. Find their respective names | 
| A. | X - rays, Visible rays, Radio waves | 
| B. | Radio waves, X-rays, Visible rays | 
| C. | Visible rays, Radio wave, X-rays | 
| D. | None of the above | 
| Answer» C. Visible rays, Radio wave, X-rays | |