MCQ
$1\mu$ is:
  • $10^{-6} \mathrm{~m}$
  • B
    $10^{-9} \mathrm{~m}$
  • C
    $10^{-10} \mathrm{~m}$
  • D
    $10^{-3} \mathrm{~m}$

Answer

Correct option: A.
$10^{-6} \mathrm{~m}$

The micrometre commonly known as micron is $SI$ derived unit of length equalling to $10^{-6}$of a metre.

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