A) \[{{10}^{-9}}m\]
B) \[{{10}^{-8}}m\]
C) \[{{10}^{-10}}m\]
D) \[{{10}^{-11}}m\]
Correct Answer: C
Solution :
A (Angstrom) means\[{{10}^{-10}}\]. It is an international unit used in biology to measure size of object.
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