Intuitively proof that intensity of a wave is proportional to the square of its amplitude
57239
Why is energy in a wave proportional to amplitude squared?
94077
Proof of linear independence of $e^{at}$
12949
Inductive Proof of Euler's Formula $v-e+r=2$
17501
Optimal resolution of a wave equation
25569
Intuitive understanding of the derivatives of $\sin x$ and $\cos x$
13747
Proof of $\int_0^\infty \frac{\sin x}{\sqrt{x}}dx=\sqrt{\frac{\pi}{2}}$
58526
Proving Legendre's Formula
21783
How to prove wave nature of large object?
108560
Proof of a Gaussian Integral property
146033
Intuitive Proof of the Chain Rule in 1 Variable
59176
Amplitude of an electromagnetic wave containing a single photon
67701
The energy of an electromagnetic wave
114411
Simple Proof of the Euler Identity $\exp{i\theta}=\cos{\theta}+i\sin{\theta}$
29740
What is the physical significance of the imaginary part when plane waves are represented as $e^{i(kx-\omega t)}$?
64835
Intuitive interpretation of the Laplacian
46144
Understanding imaginary exponents
152177
Griffiths on Averaging and the Macroscopic Electric Field