MCQOPTIONS
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| 1. |
What is the wavelength band of gamma rays? |
| A. | 1 * 10¯⁷ to 4 * 10¯⁴ micron meter |
| B. | 2 * 10¯⁷ to 2.4 * 10¯⁴ micron meter |
| C. | 3 * 10¯⁷ to 3.4 * 10¯⁴ micron meter |
| D. | 4 * 10¯⁷ to 1.4 * 10¯⁴ micron meter |
| Answer» E. | |