1.

One fermi is           [Haryana CEET 1994; DPMT 2004]

A. \[{{10}^{-13}}\]cm
B. \[{{10}^{-15}}\]cm
C. \[{{10}^{-10}}\]cm
D. \[{{10}^{-12}}\]cm
Answer» B. \[{{10}^{-15}}\]cm


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