One angstrom A ∘ is equal to:

One angstrom A∘ is equal to:
  1. 10-6 mm
  2. 10-7 mm
  3. 10-8 mm
  4. 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.

Asked in: AP EAMCET 2021 (20 Aug Shift 2)

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