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Railways PYQCBT 1 2016

RRB NTPC · Question 62

Which of the following is a branch of technology that deals with dimensions and tolerances of less than 100 nanometers, especially the manipulation of individual atoms and molecules?

  1. Biotechnology

  2. Femtotechnology

  3. Nanotechnology

  4. Microtechnology

Show answer & explanation

Answer: (C) Nanotechnology

Explanation

Nanotechnology works with materials at the scale of about 1 to 100 nanometres (1 nm = one-billionth of a metre), manipulating individual atoms and molecules.