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# A fermi is equivalent to

$\begin{array}{1 1}(A)\;10^{-8} m \\(B)\;10^{-10}m \\(C)\;10^{-15}m \\(D)\;10^{-18}m \end{array}$

Can you answer this question?

Facts based .
Hence C is the correct answer.
answered Jul 10, 2014 by