# Answer to Question #3099 in Quantum Mechanics for Nabeel

Question #3099

Hey,

I just want to know that

Is kinetic energy conserved in Compton effect?

I know that TOTAL ENERGY and MOMENTUM is conserved.

Thanks

I just want to know that

Is kinetic energy conserved in Compton effect?

I know that TOTAL ENERGY and MOMENTUM is conserved.

Thanks

Expert's answer

Photon doesn't have classical kinetic energy, E=(p

Photon has energy E=pc, it's also kinetic energy in ultrarelativistic case. so the TOTAL energy of the photon is only kinetic.

^{2})/2m.Photon has energy E=pc, it's also kinetic energy in ultrarelativistic case. so the TOTAL energy of the photon is only kinetic.

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