Question

1 nm is equal to:

• A. $100\mu m$
• B. ${10}^{-8}$
• C. ${10}^{-3}mm$
• D. 10 $A^o$

Answer 1

Answer: (D)

1 metre $={10}^{-9}nm$ 1 metre $={10}^{-10}\stackrel{\text{o}}{A}$ So, 1nm $=10\stackrel{\text{o}}{A}$