(Sterway/Jewett Physics for Scientists and Engineers7thEdition Chapter 37 #48)
I have difficulties doing this problem:
Interference effects are produced at point P on a screen asaresult of direct rays from the mirror (as shown in diagrambelow).Assume the source is 100m to the left of the screen and1.00cmabove the mirror. Find the distance y to the fisrt dark bandabovethe mirror.
