A radioactive substance does not undergo any change (in mass or charge) during
(A) gamma-emission
(B) oxidation
(C) alpha-emission
(D) beta-emission
Correct Answer : gamma-emission
Question Asked : SSC Multi-Tasking Staff Exam 2013
Explanation : Gamma-rays do not carry any mass or charge. These rays do not have any mass. Hence, cannot be considered to be made up of particles.
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Tags : Physics
