MCQ
The $S.I.$ unit of radioactivity is
  • A
    Roentgen
  • B
    Rutherford
  • C
    Curie
  • Becqueral

Answer

Correct option: D.
Becqueral
d
(d) The $SI$ unit of radioactivity is becquerel $(Bq).$

$1 \mathrm{Bq}=1 \mathrm{dps}=1 \mu r d$

$1 c=3.7 \times 10^{10} B q$

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