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Photon Energy Amplitude Intensity Relations

Energy

\(E = hf\)

But \(E \: \alpha \: A^2f^2\)

This is because:

  • Photoelectric effect has a linear dependence
  • Light has wave-like and particle-like properties, so \(f^2\) is not best suited
  • It just be different, the way it is quantized as \(E=hf\)

Intensity

Also \(I \: \alpha \: n\)

But \(I \: \alpha \: A^2\)

This is because:

  • Its quantized bro
  • You could say \(A \: \alpha \: \sqrt{n}\)
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