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PHYSICS CH 1 Measurement — Science STD 9 — Question

Tamilnadu BoardEnglish MediumSTD 9SciencePHYSICS CH 1 Measurement1 Mark
MCQ
How many metres are there in 1 nanometer?
  • A
    (10^{-10} m$
  • ✓
    (10^{-9} m$
  • C
    (10^9 m$
  • D
    (10^{10} m$
✓

Answer

Correct option: B.
(10^{-9} m$
(10^{-9} m$

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