Electronic Devices and Circuits - Engineering

Q1:

The diameter of an atom is

A 10-6 metre

B 10-10 metre

C 10-15 metre

D 10-21 metre

ANS:B - 10-10 metre

An atom is a million times smaller than the thickest human hair. The diameter of an atom ranges from about 0.1 to 0.5 nanometers.