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Sievert facts for kids

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展望の宿 天神 2016 (26182596995)
Display of background radiation in a hotel at Naraha, Japan, showing dose rate in microsieverts per hour, five years after the Fukushima disaster.
General information
Unit system SI derived unit
Unit of Health effect of ionizing radiation (Equivalent dose)
Symbol Sv 
Named after Rolf Maximilian Sievert
1 Sv in ... ... is equal to ...
   SI base units    m2s−2
   Energy absorbed by mass    Jkg−1
   CGS units (non-SI)    100 rem

The Sievert, abbreviated Sv is the SI unit to measure the equivalent dose of ionizing radiation. It looks at how an organism reacts to a given dose. This is different from measuring the total absorbed dose, which is done in gray. It is named after Rolf Sievert, a Swedish physicist and doctor, who did research on how radiation affects organisms.

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