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  1. W

    Physics Predictions/Thoughts

    Sorry if you actually explained this already but I feel like I'm still missing the point here. I understand that the number of available energy levels has to be limited because quantum theory means that there has to be an integer amount of photons with that energy, but why does it have to be...
  2. W

    Physics Predictions/Thoughts

    How does Planck's theory solve the UV catastrophe. Like I get how the intensity of the light at set wavelengths is dependent on the number of quanta which have that energy but why is it that there's such a low amount of quanta/photons which have a super short wavelength thereby reducing the...
  3. W

    4U Past Paper Baulko 2022 Q

    Does anyone who did the hsc last year remember what they got for this paper compared to hsc mark?
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