Home PYQs UPPSC UPPSC MCQs Prelims 2005 (GS Paper I)

Question

The smallest unit of length is

  1. micron
  2. nanometre
  3. angstrom
  4. fermi-metre

Answer:

Option D: fermi-metre

Detailed Solution:

The correct answer is “fermi-metre”.

The smallest unit of length among the options provided is the fermi-metre (also known as fermi).