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⚛️ Physics  ·  Units and Measurements  ·  NEET & JEE

The prefix micro corresponds to a multiplying factor of:

Answer: 10 -6.

  • A 10<sup>-3</sup>
  • B 10<sup>-9</sup>
  • C 10<sup>-6</sup>
  • D 10<sup>-12</sup>

Correct answer: C. 10<sup>-6</sup>

Explanation: The prefix micro denotes 10<sup>-6</sup>. Milli is 10<sup>-3</sup>, nano is 10<sup>-9</sup> and pico is 10<sup>-12</sup>.

The 7 SI Base UnitsLengthmetre (m)fundamentalMasskilogram (kg)Timesecond (s)Electric Currentampere (A)Temperaturekelvin (K)Amount ofSubstancemole (mol)LuminousIntensitycandela (cd)Every other physical quantity is derived by combining powers of these 7 base units

The 7 SI base units. All derived units (newton, joule, watt, volt, etc.) can be expressed as combinations of these 7 fundamental units raised to various powers.

Concept context

SI base units, dimensional analysis, significant figures, and error propagation. The toolkit every physics calculation relies on.

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