JAMB Physics 2017 Objective — Question 4

Question 4 of 40 from the Joint Admissions and Matriculation Board (JAMB) Physics 2017 Objective paper, with the correct answer and a full explanation.

Which of the following has negligible mass?

A. A. Protons
B. B. Gamma raysCorrect
C. C. Beta particles
D. D. Alpha particles

Explanation

Gamma rays are electromagnetic radiation (photons) and have no rest mass, unlike alpha/beta particles or protons.

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