Physics

Which of the following is used as SI prefixes:


ANSWER

All of the above


SOLUTION
Here femto, atto and zepto, all are used as a prefix in the SI system.
In metric systme, $$1 $$ femtometer $$=10^{-15}$$ meter,  $$1 $$ attometer $$=10^{-18}$$ meter and $$1 $$ zeptometer $$=10^{-21}$$ meter
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