1.

The average distance of an electron in an atom from its nucleus is of the order of                             [MP PET 1996]

A.                 \[{{10}^{6}}m\]
B.                 \[{{10}^{-6}}m\]
C.                 \[{{10}^{-10}}m\]            
D.                 \[{{10}^{-15}}m\]
Answer» D.                 \[{{10}^{-15}}m\]


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