Question

The size of nucleus is of the order of ____ m.

Answer 1

1. The radius of the atom is of the order of ${10}^{-10}$m.
2. While the radius of the nucleus has been estimated to be of the order of ${10}^{-15}$m.
3. This means that the size of the nucleus is extremely small ie; about ${10}^5$ times less than the size of the atom.