What is conserved when a photon collides with an electron?
A)momentum
B)energy
C)both of these
D)neither of these

Question

Quizplus · Accepted Answer

When a photon collides with an electron, both momentum and energy are conserved. The total momentum of the system (photon and electron) before the collision is equal to the total momentum after the collision. Similarly, the total energy of the system before the collision is equal to the total energy after the collision. Therefore, both momentum and energy are conserved in this particular interaction.

What Is Conserved When a Photon Collides with an Electron