Question

Four units to measure extremely small distances

Answer 1

Micrometre or Micron is an extremely small unit for measuring distance, which is equal to 0.001 mm. 1 Nanometre is the 1 / 1000 of a

Micrometer; while 1 Picometre is equal to 1 / 1000th of 1 Nanometre.

Femtometre is a further smallest unit for measuring distance, which equals to 0.001 Picometre.