Question

the lightest particle among the following is
a) proton
b) meson
c) nucleus
d) electron

Answer 1

The lightest particle among the following is nucleus

Answer 2

Hello friend,

electron , lightest stable subatomic partical known it carries a negative charge which is considered the basic unit of electric charge. The rest mass of electron is

9.10938356 × 10 ^ - 31 kg

hope it helps