X

X-ray.

A type of electromagnetic radiation, also called a photon, that originates from an energy transition of the atom. These are generally less energetic than gamma rays that are emitted from nuclear transitions.

Conversions between SI units and Traditional Units

Concept

Traditional

SI

Radioactivity

1 Ci

3.7 × 1010 Bq

Radioactivity

1 pCi

0.037 Bq

Concentration

1 pCi L-1

0.037 Bq L-1

Concentration

1 pCi L-1

37 Bq m-3

Absorbed Dose

1 rad

0.01 Gy

Equivalent Dose

1 rem

0.01 Sv

PAEC

1 WL

2.08 × 10-5 J m-3

PAEC Exposure

1 WLM

12.5 J m-3 s



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