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| Radiation Exposure | |
|---|---|---|
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Characteristic |
| roentgen | | Notes |
|---|---|---|---|---|
| | |||
Other Names | rontgen, R | |||
Metric (SI) Equivalent | This equivalent and the one below are exact. | |||
Another Metric (SI) Equivalent with More Basic Units | ||||
Metric (SI) Dimensions | mass-1 × time × electric-current | |||