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Atoms and Molecules — Science STD 9 — Question

Rajasthan BoardEnglish MediumSTD 9ScienceAtoms and Molecules1 Mark
MCQ
One $nm$ is equal to:
  • A
    $10^{-9} \ mm.$
  • ✓
    $10^{-7} \ cm.$
  • C
    $10^{-9} \ cm.$
  • D
    $10^{-6} \ m.$
✓

Answer

Correct option: B.
$10^{-7} \ cm.$
One nanometre is equal to $10^{-7}$ centimetre.

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