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 | |