*sorry to send this again!*
What is the proof that intensity is proportional to amplitude squared? Does it come from the fact that total energy = 1/2kx^2 ? If so, how are they related? (classical physics btw)
What is the proof that intensity is proportional to amplitude squared? Does it come from the fact that total energy = 1/2kx^2 ? If so, how are they related? (classical physics btw)