Q122 / 160 · AP EAMCET 2021 (20 Aug Shift 2) · Physics

One angstrom A∘ is equal to:

  • A
    10-6 mm
  • Correct answer
    B
    10-7 mm
  • C
    10-8 mm
  • D
    10-9 mm

Solution

The angstrom or angstrom is a metric unit of length equal to  10-10 m; that is, one ten-billionth of a metre, 0.1 nanometre, or 100 picometres. Its symbol is Å, a letter of the Swedish alphabet. The angstrom is not a part of the SI system of units, but it can be considered part of the metric system in general.

Hence, the correct answer is option: 'B'.

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