MCQ : The diameter of the nucleus is of the order of

Question

The diameter of the nucleus is of the order of

1. 10^-3 cm 
2. 10^-23 cm
3. 10³ cm
4. 10^-13 cm

Answer

10^-13 cm

Explanation

The diameter of the nucleus is of the order of 10^-13 cm or 1 femtometer. This is about 100,000 times smaller than the diameter of the atom, which is primarily due to the presence of the nucleus.