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(A) The Rutherford $(Rd)$ is a non-$SI$ unit of radioactivity defined as $1 \ Rd = 10^6$ disintegrations per second.The Curie $(Ci)$ is defined as $1

Vedclass · Accepted Answer

$1$ milli curie

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(A) The Rutherford $(Rd)$ is a non-$SI$ unit of radioactivity defined as $1 \ Rd = 10^6$ disintegrations per second.The Curie $(Ci)$ is defined as $1 \ Ci = 3.7 	imes 10^{10}$ disintegrations per second.Therefore,$1 \ Rd = \frac{10^6}{3.7 	imes 10^{10}} \ Ci = \frac{1}{37000} \ Ci$.Thus,$37 \ Rd = 37 	imes \frac{1}{37000} \ Ci = \frac{1}{1000} \ Ci = 1 	ext{ milli curie}$ $(1 \ mCi)$.

$37$ Rutherford equals

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