The prefix "nano" comes from a

A : French word meaning billion
B : Latin word meaning invisible
C : Greek word meaning dwarf
D : Spanish word meaning particle
General Science
Physics
Units and Dimensional Formula
Answer
Option 3 : Greek word meaning dwarf
Explanation

The correct answer is the Greek word meaning dwarf.

  • The prefix "nano" comes from a Greek word meaning dwarf.

Key Points

  • Nano - (symbol n) is a unit prefix meaning "one billionth".
    • It is used primarily with the metric system.
    • This prefix denotes a factor of 10−9 or 0.000000001.
    • The prefix "nano" comes from a Greek word meaning dwarf.

Additional Information 

Purpose Prefix Name Value
smaller quantities or sub-units nano 10-9
pico 10-12
femto 10-15
atto 10-18