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| Q. |
As radiation (X ray or gamma ray) energy is lowered: |
| A. | Radiation of longer wavelength and better penetration is produced |
| B. | Radiation of shorter wavelength and better penetration is produced |
| C. | Radiation of shorter wavelength and less penetration is produced |
| D. | Radiation longer wavelength and less penetration is produced |
| Answer» D. Radiation longer wavelength and less penetration is produced | |
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