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1. Some basic concept of chemistry — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry1. Some basic concept of chemistry1 Mark
MCQ
A picometre is written as
  • A
    ${10^{ - 9}}\,m$
  • B
    ${10^{ - 10}}\,m$
  • C
    ${10^{ - 11}}\,m$
  • ✓
    ${10^{ - 12}}\,m$
✓

Answer

Correct option: D.
${10^{ - 12}}\,m$
d
A picometre is a unit of length in the metric system, equal to $1 \times 10^{-12}\,m$, or one trillionth $(11000000000000)$ of a metre, which is the $SI$ base unit of length.

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