Rutherford (unit)

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The rutherford (symbol Rd) is an obsolete unit of radioactivity, defined as the activity of a quantity of radioactive material in which one million nuclei decay per second. It is therefore equivalent to 1 MBq.

[edit] Origin

It was named after Ernest Rutherford, 1st Baron Rutherford of Nelson, known as the "father" of nuclear physics.

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