Solved: An electron and a positron each with a kinetic energy

Solved: An electron and a positron each with a kinetic energy
An electron and a positron, each with a kinetic energy of 2.500 MeV, annihilate, creating two photons that travel away in opposite directions. What is the frequency of each photon? View Solution:
Solved: An electron and a positron each with a kinetic energy