10-6m
10-8m
10-9m
10-5m
Answer is Right!
Answer is Wrong!
The correct answer is C. 10-9m.
A nanometer is a unit of length in the metric system equal to one billionth of a meter (10-9 m). It is often used to measure the size of atoms and molecules.
Option A is incorrect because 10-6 m is equal to one micrometer.
Option B is incorrect because 10-8 m is equal to one nanoangstrom.
Option D is incorrect because 10-5 m is equal to one micrometer.