Target Exam

CUET

Subject

Physics

Chapter

Nuclei

Question:

The difference in mass of a nucleus and its constituent nucleons is called the _________.

Options:

Packing fraction

Mass defect

Binding energy

Binding energy per nucleon

Correct Answer:

Mass defect

Explanation:

The correct answer is Option (2) → Mass defect

The mass of a nucleus is always less than the sum of the masses of individual protons and neutrons, and the difference is known as Mass Defect.