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WBCS Preliminary Examination 2017 — General Studies · Question 113 of 200

Q113
General SciencePhysics
1 nm is equivalent to
  1. a.$10\overset{\circ}{A}$
  2. b.100
  3. c.10 m
  4. d.0.01 mm

Answer: (A) $10\overset{\circ}{A}$

One nanometre equals $10^{-9}$ m, and one angstrom equals $10^{-10}$ m, so $1\ \text{nm} = 10\ \overset{\circ}{A}$ (10 angstroms).

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1 nm is equivalent to — WBCS Preliminary Examination 2017 Q113 | Prostuti360°