So, you see this this theory if you see again, then I will tell you that S wave is nothing,
but equal to or you know, that the original of that is equal to 1 by delta omega, half of A
square, if you A omega square.
oh Let me write it again, S omega equal to this, let us say, S omega at any some some
point S omega i at omega i, let us say at some omega i, what is the value I am trying to
find out, S omega i is given by by our formula, half of A i omega i square divided by
delta omega, this is what I have done before, if you recall that this part is nothing, but
square of the amplitude of that incident wave square divided by a 1, that delta omega that
the delta omega has to be taken because area becomes constant.