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## Main Question or Discussion Point

The basis of the well known experiment is to fire one photon at a double slit 'wall' and measure the wave pattern produced on a screen behind it.

Now as is evident, one particle is seen to act like a wave, which is a fundamental contradiction.

I have couple of fundamental questions regarding the experimental procedure.

(1) How can it be assured that only one photon is being 'fired' at the slits?

(2) If indeed one photon is being fired, then surely this photon has a given velocity aimed at one slit or the other. So if I were to draw a line from the emitter to the slit it is pointing at then this should be the slit that this single photon passes through. Is this how the experiment is set up?

The only way I can work it out in my head is if the supposed one photon emission is in fact numerous, and these are emitted at various angles that encompass the two slits.

Or am I blatantly just repeating the paradox by asking these questions?

Now as is evident, one particle is seen to act like a wave, which is a fundamental contradiction.

I have couple of fundamental questions regarding the experimental procedure.

(1) How can it be assured that only one photon is being 'fired' at the slits?

(2) If indeed one photon is being fired, then surely this photon has a given velocity aimed at one slit or the other. So if I were to draw a line from the emitter to the slit it is pointing at then this should be the slit that this single photon passes through. Is this how the experiment is set up?

The only way I can work it out in my head is if the supposed one photon emission is in fact numerous, and these are emitted at various angles that encompass the two slits.

Or am I blatantly just repeating the paradox by asking these questions?