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WBCS Main Examination 2023 — Paper IV: General Studies II · Question 52 of 200

Q52
General ScienceComputer Awareness & Technology
The size of the nanoparticles between________nm.
  1. a.100 to 1000
  2. b.0.1 to 10
  3. c.1 to 100
  4. d.0.01 to 1

Answer: (C) 1 to 100

Nanoparticles are conventionally defined as particles with at least one dimension between 1 and 100 nanometres. 100–1000 nm is the sub-micron range, and 0.1–10 nm or 0.01–1 nm reach down to atomic sizes.