Page 11 - GALIET PHYSICS BLOSSOMS IV+

with other undetected particles also arriving like waves. That is: interference still occurs even if we let one at a time!
If we dim the frequency (equivalent to increasing its wavelength), the particle is less disturbed.
We see a curve that looks like a wave.
But if we make the frequency really low to see the wave pattern, we find that the wavelength is longer than the slit distance, and we can’t see the slit through which the particle passed through.
Key Result: sometimes a particle acts like a particle; at other times, like a wave!
Copenhagen Interpretation: Things are what they appear to be! If a particle looks like a wave, it is a wave. If it looks like a particle, it is a particle! A particle is in a superposition.
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