The S.I. unit of radioactivity is

Becquerl

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Curie

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Rutherford

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Roentgen

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Solution

The correct option is B Becquerl
Becquerel (Bq) is the S.I unit of radioactivity.
$1$ Curie (C) $= 37$ billion Bq
Rutherford (Rd) is the non-S.I unit of radio active decay.
$1 R d = 2.7 \times 10^{- 5} C$
Roentgen is the unit of measurement for ionizing radiation.

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Similar questions

The SI unit of radioactivity is ______.

(i)

(C i)

(i i)

1

C i = 3.7 \times 10^{- 10}

d i s

s^{- 1}

(i i i)

1

B q = 3.7 \times 10^{- 10} C i

(i v)

(B q)

(v)

1

C i = 3.7 \times 10^{10} B q

Unit of the radioactivity is Rutherford. Its value is:

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