Photoelectric Effect

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Ashvi_Luthra_4H
Posts: 33
Joined: Wed Jun 13, 2018 3:00 am

Photoelectric Effect

Postby Ashvi_Luthra_4H » Fri Oct 19, 2018 4:59 pm

When we calculate the energy of a photon, do we include kinetic energy every time, and why or why not?

Diego Gonzalez 3F
Posts: 32
Joined: Fri Sep 28, 2018 12:26 am

Re: Photoelectric Effect

Postby Diego Gonzalez 3F » Fri Oct 19, 2018 7:45 pm

If you are given the kinetic energy of the launched electron and the threshold energy of the metal it launched from, then yes you do need to use the kinetic energy to find the energy of the proton because the energy of the proton will be Kinetic Energy + Threshold energy.


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