M.Sc. Bio-Physics (PU-CET P.G) 2017 Panjab University Entrance Exam With Answers

Practice Mode:
63.

Which of the following is released during annihilation of e+ and e-?

A: Two photons, each of 511KeV
B: Two photons, each of 51KeV
C: One photon of 51KeV
D: One photon 511KeV

The answer is: A