Encyclopedia > Rontgen

Article Content

Roentgen

Redirected from Rontgen

The röntgen (symbol R) is a unit of dosage of X-rays or gamma radiation, being the dose that liberates positive and negative charges of 2.58×10^-4 coulombs per kilogram of air. It is named after the physicist Wilhelm Röntgen.

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

Islandia, New York

... none of the area is covered with water. Demographics As of the census of 2000, there are 3,057 people, 1,007 households, and 753 families residing in the village. The ...