Q. One nanometre is equal to
A) $10^{9}\ mm$
B) $10^{- 6}cm$
C) $10^{- 7}cm$
D) $10^{- 9}cm$
Explanation
$1\ nm = 10^{- 9\ \ }m = 10^{- 7}cm$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.