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## Main Question or Discussion Point

I have a number of questions about the wave function -

1. Do photons have wave functions like the one in Schrodinger equation?

2. If they do, when you send out a wave function with a certain wavelength, then because you know the momentum with no uncertainty the uncertainty of the position becomes infinite and you don't know where the photon is. What happens then? For example if you send out that wave to experiment the photoelectric effect, when the light(photon) hits the particle then the particle 'knows' where the photon is and therefore its uncertainty in the position becomes very small, and as a consequence the uncertainty in the momentum becomes very large; does this mean that the light will suddenly have various wavelengths?

My guess for question 2 is that you can't send out a light of definite wavelength.

1. Do photons have wave functions like the one in Schrodinger equation?

2. If they do, when you send out a wave function with a certain wavelength, then because you know the momentum with no uncertainty the uncertainty of the position becomes infinite and you don't know where the photon is. What happens then? For example if you send out that wave to experiment the photoelectric effect, when the light(photon) hits the particle then the particle 'knows' where the photon is and therefore its uncertainty in the position becomes very small, and as a consequence the uncertainty in the momentum becomes very large; does this mean that the light will suddenly have various wavelengths?

My guess for question 2 is that you can't send out a light of definite wavelength.