Question

One Nanometre is-

• A. ${10}^{-7}metre$
• B. ${10}^{-8}metre$
• C. ${10}^{-6}metre$
• D. ${10}^{-9}metre$

Answer 1

The correct option is D ${10}^{-9}metre$

One nanometre (nm) is ${10}^{-9}metre$ or 0.000,000,001 metre.