Q. A radioactive substance does not undergo any change (in mass or charge) during
✅ Correct Answer: (A)
Gamma-emission
Explanation: Gamma-rays do not carry any charge. These rays do not have any mass and hence can not be considered to be made up of particles.
Explanation by: Team MCQ Buddy
Gamma-rays do not carry any charge. These rays do not have any mass and hence can not be considered to be made up of particles.