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WBCS Preliminary Examination 2020 — General Studies · Question 108 of 200

Q108
General SciencePhysics
Nuclear sizes are expressed in a unit named
  1. a.Fermi
  2. b.Angstrom
  3. c.Newton
  4. d.Tesla

Answer: (A) Fermi

The Fermi (equal to a femtometre, 10^-15 m) is the unit conventionally used to express the extremely small size of atomic nuclei.

Q107 Whole paperQ109