Discussion
One Rutherford is equal to
Answer: C
One rutherford is a unit of radioactivity equal to 106 disintegrations per second, so option C is correct.
The becquerel (1 disintegration per second) and the curie (3.7 x 1010 per second) are the other units of activity; the values 108 and 104 do not define the rutherford.
The unit is named after Ernest Rutherford and is now obsolete, replaced by the becquerel, and 1 rutherford equals one million becquerels.
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